Home / 38,397.53-52,982.16-21,398.04

Finding the Fourth Proportional to 38,397.53, 52,982.16 and 21,398.04

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Solution

The fourth proportional to 38,397.53, 52,982.16 and 21,398.04 is: 29,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.53 : 52,982.16 = 21,398.04 : x
  2. Step 2: Convert to fraction form
    38,397.53/52,982.16 = 21,398.04/x
  3. Step 3: Cross multiply
    38,397.53x = 52,982.16 × 21,398.04
  4. Step 4: Simplify right side
    38,397.53x = 1,133,714,564.92
  5. Step 5: Solve for x
    x = 1,133,714,564.92/38,397.53
  6. Step 6: Final answer
    x = 29,525.72

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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.