Home / 28,061.23-38,729.51-16,731.45

Finding the Fourth Proportional to 28,061.23, 38,729.51 and 16,731.45

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Solution

The fourth proportional to 28,061.23, 38,729.51 and 16,731.45 is: 23,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.23 : 38,729.51 = 16,731.45 : x
  2. Step 2: Convert to fraction form
    28,061.23/38,729.51 = 16,731.45/x
  3. Step 3: Cross multiply
    28,061.23x = 38,729.51 × 16,731.45
  4. Step 4: Simplify right side
    28,061.23x = 648,000,901.92
  5. Step 5: Solve for x
    x = 648,000,901.92/28,061.23
  6. Step 6: Final answer
    x = 23,092.39

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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.