Home / 27,860.61-38,402.70-22,815.93

Finding the Fourth Proportional to 27,860.61, 38,402.70 and 22,815.93

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Solution

The fourth proportional to 27,860.61, 38,402.70 and 22,815.93 is: 31,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860.61 : 38,402.70 = 22,815.93 : x
  2. Step 2: Convert to fraction form
    27,860.61/38,402.70 = 22,815.93/x
  3. Step 3: Cross multiply
    27,860.61x = 38,402.70 × 22,815.93
  4. Step 4: Simplify right side
    27,860.61x = 876,193,315.01
  5. Step 5: Solve for x
    x = 876,193,315.01/27,860.61
  6. Step 6: Final answer
    x = 31,449.18

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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.