Home / 25,445.67-38,157.36-10,442.49

Finding the Fourth Proportional to 25,445.67, 38,157.36 and 10,442.49

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Solution

The fourth proportional to 25,445.67, 38,157.36 and 10,442.49 is: 15,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.67 : 38,157.36 = 10,442.49 : x
  2. Step 2: Convert to fraction form
    25,445.67/38,157.36 = 10,442.49/x
  3. Step 3: Cross multiply
    25,445.67x = 38,157.36 × 10,442.49
  4. Step 4: Simplify right side
    25,445.67x = 398,457,850.23
  5. Step 5: Solve for x
    x = 398,457,850.23/25,445.67
  6. Step 6: Final answer
    x = 15,659.16

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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.