Home / 28,808.31-39,753.81-16,061.07

Finding the Fourth Proportional to 28,808.31, 39,753.81 and 16,061.07

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Solution

The fourth proportional to 28,808.31, 39,753.81 and 16,061.07 is: 22,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.31 : 39,753.81 = 16,061.07 : x
  2. Step 2: Convert to fraction form
    28,808.31/39,753.81 = 16,061.07/x
  3. Step 3: Cross multiply
    28,808.31x = 39,753.81 × 16,061.07
  4. Step 4: Simplify right side
    28,808.31x = 638,488,725.18
  5. Step 5: Solve for x
    x = 638,488,725.18/28,808.31
  6. Step 6: Final answer
    x = 22,163.35

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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.