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Finding the Fourth Proportional to 24,748.80, 37,117.20 and 7,216.80

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Solution

The fourth proportional to 24,748.80, 37,117.20 and 7,216.80 is: 10,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,748.80 : 37,117.20 = 7,216.80 : x
  2. Step 2: Convert to fraction form
    24,748.80/37,117.20 = 7,216.80/x
  3. Step 3: Cross multiply
    24,748.80x = 37,117.20 × 7,216.80
  4. Step 4: Simplify right side
    24,748.80x = 267,867,408.96
  5. Step 5: Solve for x
    x = 267,867,408.96/24,748.80
  6. Step 6: Final answer
    x = 10,823.45

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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.