Home / 23,768.40-32,805.90-15,810.96

Finding the Fourth Proportional to 23,768.40, 32,805.90 and 15,810.96

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Solution

The fourth proportional to 23,768.40, 32,805.90 and 15,810.96 is: 21,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,768.40 : 32,805.90 = 15,810.96 : x
  2. Step 2: Convert to fraction form
    23,768.40/32,805.90 = 15,810.96/x
  3. Step 3: Cross multiply
    23,768.40x = 32,805.90 × 15,810.96
  4. Step 4: Simplify right side
    23,768.40x = 518,692,772.66
  5. Step 5: Solve for x
    x = 518,692,772.66/23,768.40
  6. Step 6: Final answer
    x = 21,822.79

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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.