Home / 28,167.71-38,868.74-16,834.95

Finding the Fourth Proportional to 28,167.71, 38,868.74 and 16,834.95

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Solution

The fourth proportional to 28,167.71, 38,868.74 and 16,834.95 is: 23,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167.71 : 38,868.74 = 16,834.95 : x
  2. Step 2: Convert to fraction form
    28,167.71/38,868.74 = 16,834.95/x
  3. Step 3: Cross multiply
    28,167.71x = 38,868.74 × 16,834.95
  4. Step 4: Simplify right side
    28,167.71x = 654,353,294.46
  5. Step 5: Solve for x
    x = 654,353,294.46/28,167.71
  6. Step 6: Final answer
    x = 23,230.62

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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.