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Finding the Fourth Proportional to 15,562.40, 23,343.60 and 13,715.60

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Solution

The fourth proportional to 15,562.40, 23,343.60 and 13,715.60 is: 20,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.40 : 23,343.60 = 13,715.60 : x
  2. Step 2: Convert to fraction form
    15,562.40/23,343.60 = 13,715.60/x
  3. Step 3: Cross multiply
    15,562.40x = 23,343.60 × 13,715.60
  4. Step 4: Simplify right side
    15,562.40x = 320,171,480.16
  5. Step 5: Solve for x
    x = 320,171,480.16/15,562.40
  6. Step 6: Final answer
    x = 20,573.40

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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.