Home / 15,621.60-23,432.76-5,625.84

Finding the Fourth Proportional to 15,621.60, 23,432.76 and 5,625.84

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Solution

The fourth proportional to 15,621.60, 23,432.76 and 5,625.84 is: 8,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.60 : 23,432.76 = 5,625.84 : x
  2. Step 2: Convert to fraction form
    15,621.60/23,432.76 = 5,625.84/x
  3. Step 3: Cross multiply
    15,621.60x = 23,432.76 × 5,625.84
  4. Step 4: Simplify right side
    15,621.60x = 131,828,958.52
  5. Step 5: Solve for x
    x = 131,828,958.52/15,621.60
  6. Step 6: Final answer
    x = 8,438.89

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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.