Home / 28,314.97-42,477.83-9,340.70

Finding the Fourth Proportional to 28,314.97, 42,477.83 and 9,340.70

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Solution

The fourth proportional to 28,314.97, 42,477.83 and 9,340.70 is: 14,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314.97 : 42,477.83 = 9,340.70 : x
  2. Step 2: Convert to fraction form
    28,314.97/42,477.83 = 9,340.70/x
  3. Step 3: Cross multiply
    28,314.97x = 42,477.83 × 9,340.70
  4. Step 4: Simplify right side
    28,314.97x = 396,772,666.68
  5. Step 5: Solve for x
    x = 396,772,666.68/28,314.97
  6. Step 6: Final answer
    x = 14,012.82

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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.