Home / 85,522.20-128,271.15-26,363.85

Finding the Fourth Proportional to 85,522.20, 128,271.15 and 26,363.85

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Solution

The fourth proportional to 85,522.20, 128,271.15 and 26,363.85 is: 39,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,522.20 : 128,271.15 = 26,363.85 : x
  2. Step 2: Convert to fraction form
    85,522.20/128,271.15 = 26,363.85/x
  3. Step 3: Cross multiply
    85,522.20x = 128,271.15 × 26,363.85
  4. Step 4: Simplify right side
    85,522.20x = 3,381,721,357.93
  5. Step 5: Solve for x
    x = 3,381,721,357.93/85,522.20
  6. Step 6: Final answer
    x = 39,542.03

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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.