Home / 28,070.88-42,104.76-16,974.57

Finding the Fourth Proportional to 28,070.88, 42,104.76 and 16,974.57

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Solution

The fourth proportional to 28,070.88, 42,104.76 and 16,974.57 is: 25,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.88 : 42,104.76 = 16,974.57 : x
  2. Step 2: Convert to fraction form
    28,070.88/42,104.76 = 16,974.57/x
  3. Step 3: Cross multiply
    28,070.88x = 42,104.76 × 16,974.57
  4. Step 4: Simplify right side
    28,070.88x = 714,710,195.95
  5. Step 5: Solve for x
    x = 714,710,195.95/28,070.88
  6. Step 6: Final answer
    x = 25,460.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.