Home / 28,576.86-39,436.00-16,001.61

Finding the Fourth Proportional to 28,576.86, 39,436.00 and 16,001.61

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Solution

The fourth proportional to 28,576.86, 39,436.00 and 16,001.61 is: 22,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.86 : 39,436.00 = 16,001.61 : x
  2. Step 2: Convert to fraction form
    28,576.86/39,436.00 = 16,001.61/x
  3. Step 3: Cross multiply
    28,576.86x = 39,436.00 × 16,001.61
  4. Step 4: Simplify right side
    28,576.86x = 631,039,254.78
  5. Step 5: Solve for x
    x = 631,039,254.78/28,576.86
  6. Step 6: Final answer
    x = 22,082.18

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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.