Home / 85,372.59-128,077.92-26,214.24

Finding the Fourth Proportional to 85,372.59, 128,077.92 and 26,214.24

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Solution

The fourth proportional to 85,372.59, 128,077.92 and 26,214.24 is: 39,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,372.59 : 128,077.92 = 26,214.24 : x
  2. Step 2: Convert to fraction form
    85,372.59/128,077.92 = 26,214.24/x
  3. Step 3: Cross multiply
    85,372.59x = 128,077.92 × 26,214.24
  4. Step 4: Simplify right side
    85,372.59x = 3,357,465,333.58
  5. Step 5: Solve for x
    x = 3,357,465,333.58/85,372.59
  6. Step 6: Final answer
    x = 39,327.20

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1.5x scale

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.