Home / 25,823.95-38,704.75-13,337.15

Finding the Fourth Proportional to 25,823.95, 38,704.75 and 13,337.15

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Solution

The fourth proportional to 25,823.95, 38,704.75 and 13,337.15 is: 19,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,823.95 : 38,704.75 = 13,337.15 : x
  2. Step 2: Convert to fraction form
    25,823.95/38,704.75 = 13,337.15/x
  3. Step 3: Cross multiply
    25,823.95x = 38,704.75 × 13,337.15
  4. Step 4: Simplify right side
    25,823.95x = 516,210,829.60
  5. Step 5: Solve for x
    x = 516,210,829.60/25,823.95
  6. Step 6: Final answer
    x = 19,989.62

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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.