Home / 21,837.20-32,755.80-14,925.20

Finding the Fourth Proportional to 21,837.20, 32,755.80 and 14,925.20

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Solution

The fourth proportional to 21,837.20, 32,755.80 and 14,925.20 is: 22,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.20 : 32,755.80 = 14,925.20 : x
  2. Step 2: Convert to fraction form
    21,837.20/32,755.80 = 14,925.20/x
  3. Step 3: Cross multiply
    21,837.20x = 32,755.80 × 14,925.20
  4. Step 4: Simplify right side
    21,837.20x = 488,886,866.16
  5. Step 5: Solve for x
    x = 488,886,866.16/21,837.20
  6. Step 6: Final answer
    x = 22,387.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.