Home / 57,421.50-86,132.25-15,868.50

Finding the Fourth Proportional to 57,421.50, 86,132.25 and 15,868.50

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Solution

The fourth proportional to 57,421.50, 86,132.25 and 15,868.50 is: 23,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,421.50 : 86,132.25 = 15,868.50 : x
  2. Step 2: Convert to fraction form
    57,421.50/86,132.25 = 15,868.50/x
  3. Step 3: Cross multiply
    57,421.50x = 86,132.25 × 15,868.50
  4. Step 4: Simplify right side
    57,421.50x = 1,366,789,609.13
  5. Step 5: Solve for x
    x = 1,366,789,609.13/57,421.50
  6. Step 6: Final answer
    x = 23,802.75

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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.