Home / 28,088.66-42,132.87-11,444.98

Finding the Fourth Proportional to 28,088.66, 42,132.87 and 11,444.98

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Solution

The fourth proportional to 28,088.66, 42,132.87 and 11,444.98 is: 17,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.66 : 42,132.87 = 11,444.98 : x
  2. Step 2: Convert to fraction form
    28,088.66/42,132.87 = 11,444.98/x
  3. Step 3: Cross multiply
    28,088.66x = 42,132.87 × 11,444.98
  4. Step 4: Simplify right side
    28,088.66x = 482,209,854.49
  5. Step 5: Solve for x
    x = 482,209,854.49/28,088.66
  6. Step 6: Final answer
    x = 17,167.42

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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.