Home / 27,319.92-37,705.08-15,385.59

Finding the Fourth Proportional to 27,319.92, 37,705.08 and 15,385.59

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Solution

The fourth proportional to 27,319.92, 37,705.08 and 15,385.59 is: 21,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.92 : 37,705.08 = 15,385.59 : x
  2. Step 2: Convert to fraction form
    27,319.92/37,705.08 = 15,385.59/x
  3. Step 3: Cross multiply
    27,319.92x = 37,705.08 × 15,385.59
  4. Step 4: Simplify right side
    27,319.92x = 580,114,901.80
  5. Step 5: Solve for x
    x = 580,114,901.80/27,319.92
  6. Step 6: Final answer
    x = 21,234.14

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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.