Home / 27,318.02-40,980.20-9,543.18

Finding the Fourth Proportional to 27,318.02, 40,980.20 and 9,543.18

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Solution

The fourth proportional to 27,318.02, 40,980.20 and 9,543.18 is: 14,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.02 : 40,980.20 = 9,543.18 : x
  2. Step 2: Convert to fraction form
    27,318.02/40,980.20 = 9,543.18/x
  3. Step 3: Cross multiply
    27,318.02x = 40,980.20 × 9,543.18
  4. Step 4: Simplify right side
    27,318.02x = 391,081,377.32
  5. Step 5: Solve for x
    x = 391,081,377.32/27,318.02
  6. Step 6: Final answer
    x = 14,315.88

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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.