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Finding the Fourth Proportional to 15,010.40, 22,472.40 and 14,578.40

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Solution

The fourth proportional to 15,010.40, 22,472.40 and 14,578.40 is: 21,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.40 : 22,472.40 = 14,578.40 : x
  2. Step 2: Convert to fraction form
    15,010.40/22,472.40 = 14,578.40/x
  3. Step 3: Cross multiply
    15,010.40x = 22,472.40 × 14,578.40
  4. Step 4: Simplify right side
    15,010.40x = 327,611,636.16
  5. Step 5: Solve for x
    x = 327,611,636.16/15,010.40
  6. Step 6: Final answer
    x = 21,825.64

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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.