Home / 27,746.03-38,288.39-15,808.35

Finding the Fourth Proportional to 27,746.03, 38,288.39 and 15,808.35

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Solution

The fourth proportional to 27,746.03, 38,288.39 and 15,808.35 is: 21,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.03 : 38,288.39 = 15,808.35 : x
  2. Step 2: Convert to fraction form
    27,746.03/38,288.39 = 15,808.35/x
  3. Step 3: Cross multiply
    27,746.03x = 38,288.39 × 15,808.35
  4. Step 4: Simplify right side
    27,746.03x = 605,276,191.01
  5. Step 5: Solve for x
    x = 605,276,191.01/27,746.03
  6. Step 6: Final answer
    x = 21,814.88

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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.