Home / 28,444.28-42,671.91-10,912.74

Finding the Fourth Proportional to 28,444.28, 42,671.91 and 10,912.74

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Solution

The fourth proportional to 28,444.28, 42,671.91 and 10,912.74 is: 16,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.28 : 42,671.91 = 10,912.74 : x
  2. Step 2: Convert to fraction form
    28,444.28/42,671.91 = 10,912.74/x
  3. Step 3: Cross multiply
    28,444.28x = 42,671.91 × 10,912.74
  4. Step 4: Simplify right side
    28,444.28x = 465,667,580.07
  5. Step 5: Solve for x
    x = 465,667,580.07/28,444.28
  6. Step 6: Final answer
    x = 16,371.22

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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.