Home / 85,557.96-128,355.24-25,591.14

Finding the Fourth Proportional to 85,557.96, 128,355.24 and 25,591.14

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Solution

The fourth proportional to 85,557.96, 128,355.24 and 25,591.14 is: 38,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,557.96 : 128,355.24 = 25,591.14 : x
  2. Step 2: Convert to fraction form
    85,557.96/128,355.24 = 25,591.14/x
  3. Step 3: Cross multiply
    85,557.96x = 128,355.24 × 25,591.14
  4. Step 4: Simplify right side
    85,557.96x = 3,284,756,916.57
  5. Step 5: Solve for x
    x = 3,284,756,916.57/85,557.96
  6. Step 6: Final answer
    x = 38,392.18

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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.