Home / 27,994.35-38,630.75-17,383.76

Finding the Fourth Proportional to 27,994.35, 38,630.75 and 17,383.76

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Solution

The fourth proportional to 27,994.35, 38,630.75 and 17,383.76 is: 23,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.35 : 38,630.75 = 17,383.76 : x
  2. Step 2: Convert to fraction form
    27,994.35/38,630.75 = 17,383.76/x
  3. Step 3: Cross multiply
    27,994.35x = 38,630.75 × 17,383.76
  4. Step 4: Simplify right side
    27,994.35x = 671,547,406.55
  5. Step 5: Solve for x
    x = 671,547,406.55/27,994.35
  6. Step 6: Final answer
    x = 23,988.68

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.