Home / 23,515.92-32,451.75-12,905.28

Finding the Fourth Proportional to 23,515.92, 32,451.75 and 12,905.28

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Solution

The fourth proportional to 23,515.92, 32,451.75 and 12,905.28 is: 17,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.92 : 32,451.75 = 12,905.28 : x
  2. Step 2: Convert to fraction form
    23,515.92/32,451.75 = 12,905.28/x
  3. Step 3: Cross multiply
    23,515.92x = 32,451.75 × 12,905.28
  4. Step 4: Simplify right side
    23,515.92x = 418,798,920.24
  5. Step 5: Solve for x
    x = 418,798,920.24/23,515.92
  6. Step 6: Final answer
    x = 17,809.17

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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.