Home / 27,720.36-41,587.56-14,569.20

Finding the Fourth Proportional to 27,720.36, 41,587.56 and 14,569.20

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Solution

The fourth proportional to 27,720.36, 41,587.56 and 14,569.20 is: 21,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.36 : 41,587.56 = 14,569.20 : x
  2. Step 2: Convert to fraction form
    27,720.36/41,587.56 = 14,569.20/x
  3. Step 3: Cross multiply
    27,720.36x = 41,587.56 × 14,569.20
  4. Step 4: Simplify right side
    27,720.36x = 605,897,479.15
  5. Step 5: Solve for x
    x = 605,897,479.15/27,720.36
  6. Step 6: Final answer
    x = 21,857.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.