Home / 28,885.61-39,882.83-22,826.71

Finding the Fourth Proportional to 28,885.61, 39,882.83 and 22,826.71

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Solution

The fourth proportional to 28,885.61, 39,882.83 and 22,826.71 is: 31,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.61 : 39,882.83 = 22,826.71 : x
  2. Step 2: Convert to fraction form
    28,885.61/39,882.83 = 22,826.71/x
  3. Step 3: Cross multiply
    28,885.61x = 39,882.83 × 22,826.71
  4. Step 4: Simplify right side
    28,885.61x = 910,393,858.51
  5. Step 5: Solve for x
    x = 910,393,858.51/28,885.61
  6. Step 6: Final answer
    x = 31,517.21

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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.