Home / 22,920.14-31,586.99-17,876.40

Finding the Fourth Proportional to 22,920.14, 31,586.99 and 17,876.40

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Solution

The fourth proportional to 22,920.14, 31,586.99 and 17,876.40 is: 24,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.14 : 31,586.99 = 17,876.40 : x
  2. Step 2: Convert to fraction form
    22,920.14/31,586.99 = 17,876.40/x
  3. Step 3: Cross multiply
    22,920.14x = 31,586.99 × 17,876.40
  4. Step 4: Simplify right side
    22,920.14x = 564,661,578.65
  5. Step 5: Solve for x
    x = 564,661,578.65/22,920.14
  6. Step 6: Final answer
    x = 24,636.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.