Home / 27,306.99-37,683.05-15,207.39

Finding the Fourth Proportional to 27,306.99, 37,683.05 and 15,207.39

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Solution

The fourth proportional to 27,306.99, 37,683.05 and 15,207.39 is: 20,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.99 : 37,683.05 = 15,207.39 : x
  2. Step 2: Convert to fraction form
    27,306.99/37,683.05 = 15,207.39/x
  3. Step 3: Cross multiply
    27,306.99x = 37,683.05 × 15,207.39
  4. Step 4: Simplify right side
    27,306.99x = 573,060,761.70
  5. Step 5: Solve for x
    x = 573,060,761.70/27,306.99
  6. Step 6: Final answer
    x = 20,985.86

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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.