Home / 28,113.66-42,167.70-7,337.16

Finding the Fourth Proportional to 28,113.66, 42,167.70 and 7,337.16

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Solution

The fourth proportional to 28,113.66, 42,167.70 and 7,337.16 is: 11,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113.66 : 42,167.70 = 7,337.16 : x
  2. Step 2: Convert to fraction form
    28,113.66/42,167.70 = 7,337.16/x
  3. Step 3: Cross multiply
    28,113.66x = 42,167.70 × 7,337.16
  4. Step 4: Simplify right side
    28,113.66x = 309,391,161.73
  5. Step 5: Solve for x
    x = 309,391,161.73/28,113.66
  6. Step 6: Final answer
    x = 11,005.01

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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.