Home / 41,129.35-56,729.15-28,387.35

Finding the Fourth Proportional to 41,129.35, 56,729.15 and 28,387.35

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Solution

The fourth proportional to 41,129.35, 56,729.15 and 28,387.35 is: 39,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.35 : 56,729.15 = 28,387.35 : x
  2. Step 2: Convert to fraction form
    41,129.35/56,729.15 = 28,387.35/x
  3. Step 3: Cross multiply
    41,129.35x = 56,729.15 × 28,387.35
  4. Step 4: Simplify right side
    41,129.35x = 1,610,390,094.32
  5. Step 5: Solve for x
    x = 1,610,390,094.32/41,129.35
  6. Step 6: Final answer
    x = 39,154.28

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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.