Home / 25,157.40-37,708.56-12,657.48

Finding the Fourth Proportional to 25,157.40, 37,708.56 and 12,657.48

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Solution

The fourth proportional to 25,157.40, 37,708.56 and 12,657.48 is: 18,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.40 : 37,708.56 = 12,657.48 : x
  2. Step 2: Convert to fraction form
    25,157.40/37,708.56 = 12,657.48/x
  3. Step 3: Cross multiply
    25,157.40x = 37,708.56 × 12,657.48
  4. Step 4: Simplify right side
    25,157.40x = 477,295,344.03
  5. Step 5: Solve for x
    x = 477,295,344.03/25,157.40
  6. Step 6: Final answer
    x = 18,972.36

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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.