Home / 27,588.60-38,071.17-15,013.35

Finding the Fourth Proportional to 27,588.60, 38,071.17 and 15,013.35

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Solution

The fourth proportional to 27,588.60, 38,071.17 and 15,013.35 is: 20,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.60 : 38,071.17 = 15,013.35 : x
  2. Step 2: Convert to fraction form
    27,588.60/38,071.17 = 15,013.35/x
  3. Step 3: Cross multiply
    27,588.60x = 38,071.17 × 15,013.35
  4. Step 4: Simplify right side
    27,588.60x = 571,575,800.12
  5. Step 5: Solve for x
    x = 571,575,800.12/27,588.60
  6. Step 6: Final answer
    x = 20,717.83

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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.