Home / 28,087.76-38,763.15-16,154.84

Finding the Fourth Proportional to 28,087.76, 38,763.15 and 16,154.84

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Solution

The fourth proportional to 28,087.76, 38,763.15 and 16,154.84 is: 22,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.76 : 38,763.15 = 16,154.84 : x
  2. Step 2: Convert to fraction form
    28,087.76/38,763.15 = 16,154.84/x
  3. Step 3: Cross multiply
    28,087.76x = 38,763.15 × 16,154.84
  4. Step 4: Simplify right side
    28,087.76x = 626,212,486.15
  5. Step 5: Solve for x
    x = 626,212,486.15/28,087.76
  6. Step 6: Final answer
    x = 22,294.85

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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.