Home / 38,528.15-53,167.79-21,532.47

Finding the Fourth Proportional to 38,528.15, 53,167.79 and 21,532.47

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Solution

The fourth proportional to 38,528.15, 53,167.79 and 21,532.47 is: 29,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528.15 : 53,167.79 = 21,532.47 : x
  2. Step 2: Convert to fraction form
    38,528.15/53,167.79 = 21,532.47/x
  3. Step 3: Cross multiply
    38,528.15x = 53,167.79 × 21,532.47
  4. Step 4: Simplify right side
    38,528.15x = 1,144,833,577.30
  5. Step 5: Solve for x
    x = 1,144,833,577.30/38,528.15
  6. Step 6: Final answer
    x = 29,714.21

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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.