Home / 69,408.17-104,155.08-27,280.86

Finding the Fourth Proportional to 69,408.17, 104,155.08 and 27,280.86

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Solution

The fourth proportional to 69,408.17, 104,155.08 and 27,280.86 is: 40,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.17 : 104,155.08 = 27,280.86 : x
  2. Step 2: Convert to fraction form
    69,408.17/104,155.08 = 27,280.86/x
  3. Step 3: Cross multiply
    69,408.17x = 104,155.08 × 27,280.86
  4. Step 4: Simplify right side
    69,408.17x = 2,841,440,155.77
  5. Step 5: Solve for x
    x = 2,841,440,155.77/69,408.17
  6. Step 6: Final answer
    x = 40,938.13

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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.