Home / 28,213.05-42,320.18-10,444.59

Finding the Fourth Proportional to 28,213.05, 42,320.18 and 10,444.59

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Solution

The fourth proportional to 28,213.05, 42,320.18 and 10,444.59 is: 15,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213.05 : 42,320.18 = 10,444.59 : x
  2. Step 2: Convert to fraction form
    28,213.05/42,320.18 = 10,444.59/x
  3. Step 3: Cross multiply
    28,213.05x = 42,320.18 × 10,444.59
  4. Step 4: Simplify right side
    28,213.05x = 442,016,954.94
  5. Step 5: Solve for x
    x = 442,016,954.94/28,213.05
  6. Step 6: Final answer
    x = 15,667.11

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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.