Home / 86,023.70-129,035.49-26,864.44

Finding the Fourth Proportional to 86,023.70, 129,035.49 and 26,864.44

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Solution

The fourth proportional to 86,023.70, 129,035.49 and 26,864.44 is: 40,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,023.70 : 129,035.49 = 26,864.44 : x
  2. Step 2: Convert to fraction form
    86,023.70/129,035.49 = 26,864.44/x
  3. Step 3: Cross multiply
    86,023.70x = 129,035.49 × 26,864.44
  4. Step 4: Simplify right side
    86,023.70x = 3,466,466,178.98
  5. Step 5: Solve for x
    x = 3,466,466,178.98/86,023.70
  6. Step 6: Final answer
    x = 40,296.64

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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.