Home / 40,373.83-55,658.15-28,400.01

Finding the Fourth Proportional to 40,373.83, 55,658.15 and 28,400.01

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Solution

The fourth proportional to 40,373.83, 55,658.15 and 28,400.01 is: 39,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,373.83 : 55,658.15 = 28,400.01 : x
  2. Step 2: Convert to fraction form
    40,373.83/55,658.15 = 28,400.01/x
  3. Step 3: Cross multiply
    40,373.83x = 55,658.15 × 28,400.01
  4. Step 4: Simplify right side
    40,373.83x = 1,580,692,016.58
  5. Step 5: Solve for x
    x = 1,580,692,016.58/40,373.83
  6. Step 6: Final answer
    x = 39,151.40

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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.