Home / 40,417.52-55,731.60-27,672.80

Finding the Fourth Proportional to 40,417.52, 55,731.60 and 27,672.80

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Solution

The fourth proportional to 40,417.52, 55,731.60 and 27,672.80 is: 38,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.52 : 55,731.60 = 27,672.80 : x
  2. Step 2: Convert to fraction form
    40,417.52/55,731.60 = 27,672.80/x
  3. Step 3: Cross multiply
    40,417.52x = 55,731.60 × 27,672.80
  4. Step 4: Simplify right side
    40,417.52x = 1,542,249,420.48
  5. Step 5: Solve for x
    x = 1,542,249,420.48/40,417.52
  6. Step 6: Final answer
    x = 38,157.94

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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.