Home / 28,127.05-42,194.67-10,366.21

Finding the Fourth Proportional to 28,127.05, 42,194.67 and 10,366.21

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Solution

The fourth proportional to 28,127.05, 42,194.67 and 10,366.21 is: 15,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127.05 : 42,194.67 = 10,366.21 : x
  2. Step 2: Convert to fraction form
    28,127.05/42,194.67 = 10,366.21/x
  3. Step 3: Cross multiply
    28,127.05x = 42,194.67 × 10,366.21
  4. Step 4: Simplify right side
    28,127.05x = 437,398,810.10
  5. Step 5: Solve for x
    x = 437,398,810.10/28,127.05
  6. Step 6: Final answer
    x = 15,550.82

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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.