Home / 27,522.09-37,984.10-15,587.78

Finding the Fourth Proportional to 27,522.09, 37,984.10 and 15,587.78

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Solution

The fourth proportional to 27,522.09, 37,984.10 and 15,587.78 is: 21,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,522.09 : 37,984.10 = 15,587.78 : x
  2. Step 2: Convert to fraction form
    27,522.09/37,984.10 = 15,587.78/x
  3. Step 3: Cross multiply
    27,522.09x = 37,984.10 × 15,587.78
  4. Step 4: Simplify right side
    27,522.09x = 592,087,526.44
  5. Step 5: Solve for x
    x = 592,087,526.44/27,522.09
  6. Step 6: Final answer
    x = 21,513.17

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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.