Home / 23,689.40-35,534.72-11,215.28

Finding the Fourth Proportional to 23,689.40, 35,534.72 and 11,215.28

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Solution

The fourth proportional to 23,689.40, 35,534.72 and 11,215.28 is: 16,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.40 : 35,534.72 = 11,215.28 : x
  2. Step 2: Convert to fraction form
    23,689.40/35,534.72 = 11,215.28/x
  3. Step 3: Cross multiply
    23,689.40x = 35,534.72 × 11,215.28
  4. Step 4: Simplify right side
    23,689.40x = 398,531,834.52
  5. Step 5: Solve for x
    x = 398,531,834.52/23,689.40
  6. Step 6: Final answer
    x = 16,823.21

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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.