Home / 28,165.74-42,314.22-16,487.16

Finding the Fourth Proportional to 28,165.74, 42,314.22 and 16,487.16

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Solution

The fourth proportional to 28,165.74, 42,314.22 and 16,487.16 is: 24,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.74 : 42,314.22 = 16,487.16 : x
  2. Step 2: Convert to fraction form
    28,165.74/42,314.22 = 16,487.16/x
  3. Step 3: Cross multiply
    28,165.74x = 42,314.22 × 16,487.16
  4. Step 4: Simplify right side
    28,165.74x = 697,641,315.42
  5. Step 5: Solve for x
    x = 697,641,315.42/28,165.74
  6. Step 6: Final answer
    x = 24,769.15

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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.