Home / 40,392.57-55,722.60-28,462.47

Finding the Fourth Proportional to 40,392.57, 55,722.60 and 28,462.47

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Solution

The fourth proportional to 40,392.57, 55,722.60 and 28,462.47 is: 39,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.57 : 55,722.60 = 28,462.47 : x
  2. Step 2: Convert to fraction form
    40,392.57/55,722.60 = 28,462.47/x
  3. Step 3: Cross multiply
    40,392.57x = 55,722.60 × 28,462.47
  4. Step 4: Simplify right side
    40,392.57x = 1,586,002,830.82
  5. Step 5: Solve for x
    x = 1,586,002,830.82/40,392.57
  6. Step 6: Final answer
    x = 39,264.72

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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.