Home / 28,292.64-42,444.41-10,761.09

Finding the Fourth Proportional to 28,292.64, 42,444.41 and 10,761.09

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Solution

The fourth proportional to 28,292.64, 42,444.41 and 10,761.09 is: 16,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.64 : 42,444.41 = 10,761.09 : x
  2. Step 2: Convert to fraction form
    28,292.64/42,444.41 = 10,761.09/x
  3. Step 3: Cross multiply
    28,292.64x = 42,444.41 × 10,761.09
  4. Step 4: Simplify right side
    28,292.64x = 456,748,116.01
  5. Step 5: Solve for x
    x = 456,748,116.01/28,292.64
  6. Step 6: Final answer
    x = 16,143.71

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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.