Home / 40,393.57-55,723.98-28,463.47

Finding the Fourth Proportional to 40,393.57, 55,723.98 and 28,463.47

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Solution

The fourth proportional to 40,393.57, 55,723.98 and 28,463.47 is: 39,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.57 : 55,723.98 = 28,463.47 : x
  2. Step 2: Convert to fraction form
    40,393.57/55,723.98 = 28,463.47/x
  3. Step 3: Cross multiply
    40,393.57x = 55,723.98 × 28,463.47
  4. Step 4: Simplify right side
    40,393.57x = 1,586,097,833.01
  5. Step 5: Solve for x
    x = 1,586,097,833.01/40,393.57
  6. Step 6: Final answer
    x = 39,266.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.