Home / 27,877.51-38,468.40-16,545.06

Finding the Fourth Proportional to 27,877.51, 38,468.40 and 16,545.06

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Solution

The fourth proportional to 27,877.51, 38,468.40 and 16,545.06 is: 22,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.51 : 38,468.40 = 16,545.06 : x
  2. Step 2: Convert to fraction form
    27,877.51/38,468.40 = 16,545.06/x
  3. Step 3: Cross multiply
    27,877.51x = 38,468.40 × 16,545.06
  4. Step 4: Simplify right side
    27,877.51x = 636,461,793.76
  5. Step 5: Solve for x
    x = 636,461,793.76/27,877.51
  6. Step 6: Final answer
    x = 22,830.65

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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.