Home / 28,088.78-38,764.17-16,153.43

Finding the Fourth Proportional to 28,088.78, 38,764.17 and 16,153.43

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Solution

The fourth proportional to 28,088.78, 38,764.17 and 16,153.43 is: 22,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.78 : 38,764.17 = 16,153.43 : x
  2. Step 2: Convert to fraction form
    28,088.78/38,764.17 = 16,153.43/x
  3. Step 3: Cross multiply
    28,088.78x = 38,764.17 × 16,153.43
  4. Step 4: Simplify right side
    28,088.78x = 626,174,112.78
  5. Step 5: Solve for x
    x = 626,174,112.78/28,088.78
  6. Step 6: Final answer
    x = 22,292.68

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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.