Home / 23,630.40-32,608.98-15,120.54

Finding the Fourth Proportional to 23,630.40, 32,608.98 and 15,120.54

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Solution

The fourth proportional to 23,630.40, 32,608.98 and 15,120.54 is: 20,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,630.40 : 32,608.98 = 15,120.54 : x
  2. Step 2: Convert to fraction form
    23,630.40/32,608.98 = 15,120.54/x
  3. Step 3: Cross multiply
    23,630.40x = 32,608.98 × 15,120.54
  4. Step 4: Simplify right side
    23,630.40x = 493,065,386.45
  5. Step 5: Solve for x
    x = 493,065,386.45/23,630.40
  6. Step 6: Final answer
    x = 20,865.72

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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.