Home / 28,057.66-42,075.51-10,517.92

Finding the Fourth Proportional to 28,057.66, 42,075.51 and 10,517.92

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Solution

The fourth proportional to 28,057.66, 42,075.51 and 10,517.92 is: 15,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.66 : 42,075.51 = 10,517.92 : x
  2. Step 2: Convert to fraction form
    28,057.66/42,075.51 = 10,517.92/x
  3. Step 3: Cross multiply
    28,057.66x = 42,075.51 × 10,517.92
  4. Step 4: Simplify right side
    28,057.66x = 442,546,848.14
  5. Step 5: Solve for x
    x = 442,546,848.14/28,057.66
  6. Step 6: Final answer
    x = 15,772.76

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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.