Home / 22,909.80-34,364.70-15,911.40

Finding the Fourth Proportional to 22,909.80, 34,364.70 and 15,911.40

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Solution

The fourth proportional to 22,909.80, 34,364.70 and 15,911.40 is: 23,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.80 : 34,364.70 = 15,911.40 : x
  2. Step 2: Convert to fraction form
    22,909.80/34,364.70 = 15,911.40/x
  3. Step 3: Cross multiply
    22,909.80x = 34,364.70 × 15,911.40
  4. Step 4: Simplify right side
    22,909.80x = 546,790,487.58
  5. Step 5: Solve for x
    x = 546,790,487.58/22,909.80
  6. Step 6: Final answer
    x = 23,867.10

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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.