Home / 28,366.55-42,542.99-12,562.84

Finding the Fourth Proportional to 28,366.55, 42,542.99 and 12,562.84

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Solution

The fourth proportional to 28,366.55, 42,542.99 and 12,562.84 is: 18,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.55 : 42,542.99 = 12,562.84 : x
  2. Step 2: Convert to fraction form
    28,366.55/42,542.99 = 12,562.84/x
  3. Step 3: Cross multiply
    28,366.55x = 42,542.99 × 12,562.84
  4. Step 4: Simplify right side
    28,366.55x = 534,460,607.32
  5. Step 5: Solve for x
    x = 534,460,607.32/28,366.55
  6. Step 6: Final answer
    x = 18,841.23

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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.