Home / 38,288.16-52,840.56-21,523.68

Finding the Fourth Proportional to 38,288.16, 52,840.56 and 21,523.68

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Solution

The fourth proportional to 38,288.16, 52,840.56 and 21,523.68 is: 29,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.16 : 52,840.56 = 21,523.68 : x
  2. Step 2: Convert to fraction form
    38,288.16/52,840.56 = 21,523.68/x
  3. Step 3: Cross multiply
    38,288.16x = 52,840.56 × 21,523.68
  4. Step 4: Simplify right side
    38,288.16x = 1,137,323,304.46
  5. Step 5: Solve for x
    x = 1,137,323,304.46/38,288.16
  6. Step 6: Final answer
    x = 29,704.31

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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.