Home / 25,909.55-38,854.80-9,265.07

Finding the Fourth Proportional to 25,909.55, 38,854.80 and 9,265.07

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Solution

The fourth proportional to 25,909.55, 38,854.80 and 9,265.07 is: 13,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.55 : 38,854.80 = 9,265.07 : x
  2. Step 2: Convert to fraction form
    25,909.55/38,854.80 = 9,265.07/x
  3. Step 3: Cross multiply
    25,909.55x = 38,854.80 × 9,265.07
  4. Step 4: Simplify right side
    25,909.55x = 359,992,247.56
  5. Step 5: Solve for x
    x = 359,992,247.56/25,909.55
  6. Step 6: Final answer
    x = 13,894.19

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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.