Home / 57,555.79-86,327.67-15,440.38

Finding the Fourth Proportional to 57,555.79, 86,327.67 and 15,440.38

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Solution

The fourth proportional to 57,555.79, 86,327.67 and 15,440.38 is: 23,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,555.79 : 86,327.67 = 15,440.38 : x
  2. Step 2: Convert to fraction form
    57,555.79/86,327.67 = 15,440.38/x
  3. Step 3: Cross multiply
    57,555.79x = 86,327.67 × 15,440.38
  4. Step 4: Simplify right side
    57,555.79x = 1,332,931,871.40
  5. Step 5: Solve for x
    x = 1,332,931,871.40/57,555.79
  6. Step 6: Final answer
    x = 23,158.95

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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.