Home / 28,224.15-38,948.76-16,287.18

Finding the Fourth Proportional to 28,224.15, 38,948.76 and 16,287.18

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Solution

The fourth proportional to 28,224.15, 38,948.76 and 16,287.18 is: 22,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.15 : 38,948.76 = 16,287.18 : x
  2. Step 2: Convert to fraction form
    28,224.15/38,948.76 = 16,287.18/x
  3. Step 3: Cross multiply
    28,224.15x = 38,948.76 × 16,287.18
  4. Step 4: Simplify right side
    28,224.15x = 634,365,464.90
  5. Step 5: Solve for x
    x = 634,365,464.90/28,224.15
  6. Step 6: Final answer
    x = 22,475.98

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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.