Home / 29,330.92-40,476.80-15,902.16

Finding the Fourth Proportional to 29,330.92, 40,476.80 and 15,902.16

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Solution

The fourth proportional to 29,330.92, 40,476.80 and 15,902.16 is: 21,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.92 : 40,476.80 = 15,902.16 : x
  2. Step 2: Convert to fraction form
    29,330.92/40,476.80 = 15,902.16/x
  3. Step 3: Cross multiply
    29,330.92x = 40,476.80 × 15,902.16
  4. Step 4: Simplify right side
    29,330.92x = 643,668,549.89
  5. Step 5: Solve for x
    x = 643,668,549.89/29,330.92
  6. Step 6: Final answer
    x = 21,945.05

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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.