Home / 22,429.03-30,915.98-15,158.85

Finding the Fourth Proportional to 22,429.03, 30,915.98 and 15,158.85

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Solution

The fourth proportional to 22,429.03, 30,915.98 and 15,158.85 is: 20,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.03 : 30,915.98 = 15,158.85 : x
  2. Step 2: Convert to fraction form
    22,429.03/30,915.98 = 15,158.85/x
  3. Step 3: Cross multiply
    22,429.03x = 30,915.98 × 15,158.85
  4. Step 4: Simplify right side
    22,429.03x = 468,650,568.54
  5. Step 5: Solve for x
    x = 468,650,568.54/22,429.03
  6. Step 6: Final answer
    x = 20,894.82

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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.