Home / 23,300.28-32,154.75-12,689.90

Finding the Fourth Proportional to 23,300.28, 32,154.75 and 12,689.90

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Solution

The fourth proportional to 23,300.28, 32,154.75 and 12,689.90 is: 17,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,300.28 : 32,154.75 = 12,689.90 : x
  2. Step 2: Convert to fraction form
    23,300.28/32,154.75 = 12,689.90/x
  3. Step 3: Cross multiply
    23,300.28x = 32,154.75 × 12,689.90
  4. Step 4: Simplify right side
    23,300.28x = 408,040,642.41
  5. Step 5: Solve for x
    x = 408,040,642.41/23,300.28
  6. Step 6: Final answer
    x = 17,512.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.