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Finding the Fourth Proportional to 15,350.40, 22,982.40 and 13,795.20

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Solution

The fourth proportional to 15,350.40, 22,982.40 and 13,795.20 is: 20,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.40 : 22,982.40 = 13,795.20 : x
  2. Step 2: Convert to fraction form
    15,350.40/22,982.40 = 13,795.20/x
  3. Step 3: Cross multiply
    15,350.40x = 22,982.40 × 13,795.20
  4. Step 4: Simplify right side
    15,350.40x = 317,046,804.48
  5. Step 5: Solve for x
    x = 317,046,804.48/15,350.40
  6. Step 6: Final answer
    x = 20,653.98

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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.