Home / 28,423.60-42,617.17-11,795.11

Finding the Fourth Proportional to 28,423.60, 42,617.17 and 11,795.11

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Solution

The fourth proportional to 28,423.60, 42,617.17 and 11,795.11 is: 17,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.60 : 42,617.17 = 11,795.11 : x
  2. Step 2: Convert to fraction form
    28,423.60/42,617.17 = 11,795.11/x
  3. Step 3: Cross multiply
    28,423.60x = 42,617.17 × 11,795.11
  4. Step 4: Simplify right side
    28,423.60x = 502,673,994.95
  5. Step 5: Solve for x
    x = 502,673,994.95/28,423.60
  6. Step 6: Final answer
    x = 17,685.10

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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.