Home / 64,841.28-97,260-26,886.72

Finding the Fourth Proportional to 64,841.28, 97,260 and 26,886.72

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Solution

The fourth proportional to 64,841.28, 97,260 and 26,886.72 is: 40,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,841.28 : 97,260 = 26,886.72 : x
  2. Step 2: Convert to fraction form
    64,841.28/97,260 = 26,886.72/x
  3. Step 3: Cross multiply
    64,841.28x = 97,260 × 26,886.72
  4. Step 4: Simplify right side
    64,841.28x = 2,615,002,387.20
  5. Step 5: Solve for x
    x = 2,615,002,387.20/64,841.28
  6. Step 6: Final answer
    x = 40,329.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.