Home / 27,875.67-38,455.87-16,545.66

Finding the Fourth Proportional to 27,875.67, 38,455.87 and 16,545.66

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Solution

The fourth proportional to 27,875.67, 38,455.87 and 16,545.66 is: 22,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.67 : 38,455.87 = 16,545.66 : x
  2. Step 2: Convert to fraction form
    27,875.67/38,455.87 = 16,545.66/x
  3. Step 3: Cross multiply
    27,875.67x = 38,455.87 × 16,545.66
  4. Step 4: Simplify right side
    27,875.67x = 636,277,750.02
  5. Step 5: Solve for x
    x = 636,277,750.02/27,875.67
  6. Step 6: Final answer
    x = 22,825.56

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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.