Home / 28,199.87-42,300.29-10,677.95

Finding the Fourth Proportional to 28,199.87, 42,300.29 and 10,677.95

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Solution

The fourth proportional to 28,199.87, 42,300.29 and 10,677.95 is: 16,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.87 : 42,300.29 = 10,677.95 : x
  2. Step 2: Convert to fraction form
    28,199.87/42,300.29 = 10,677.95/x
  3. Step 3: Cross multiply
    28,199.87x = 42,300.29 × 10,677.95
  4. Step 4: Simplify right side
    28,199.87x = 451,680,328.22
  5. Step 5: Solve for x
    x = 451,680,328.22/28,199.87
  6. Step 6: Final answer
    x = 16,017.11

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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.