Home / 29,238.59-40,349.27-15,809.85

Finding the Fourth Proportional to 29,238.59, 40,349.27 and 15,809.85

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Solution

The fourth proportional to 29,238.59, 40,349.27 and 15,809.85 is: 21,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.59 : 40,349.27 = 15,809.85 : x
  2. Step 2: Convert to fraction form
    29,238.59/40,349.27 = 15,809.85/x
  3. Step 3: Cross multiply
    29,238.59x = 40,349.27 × 15,809.85
  4. Step 4: Simplify right side
    29,238.59x = 637,915,945.83
  5. Step 5: Solve for x
    x = 637,915,945.83/29,238.59
  6. Step 6: Final answer
    x = 21,817.60

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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.