Home / 28,230.40-38,957.44-16,294.24

Finding the Fourth Proportional to 28,230.40, 38,957.44 and 16,294.24

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Solution

The fourth proportional to 28,230.40, 38,957.44 and 16,294.24 is: 22,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.40 : 38,957.44 = 16,294.24 : x
  2. Step 2: Convert to fraction form
    28,230.40/38,957.44 = 16,294.24/x
  3. Step 3: Cross multiply
    28,230.40x = 38,957.44 × 16,294.24
  4. Step 4: Simplify right side
    28,230.40x = 634,781,877.15
  5. Step 5: Solve for x
    x = 634,781,877.15/28,230.40
  6. Step 6: Final answer
    x = 22,485.76

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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.