Home / 25,271.20-37,906.80-25,125.40

Finding the Fourth Proportional to 25,271.20, 37,906.80 and 25,125.40

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Solution

The fourth proportional to 25,271.20, 37,906.80 and 25,125.40 is: 37,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.20 : 37,906.80 = 25,125.40 : x
  2. Step 2: Convert to fraction form
    25,271.20/37,906.80 = 25,125.40/x
  3. Step 3: Cross multiply
    25,271.20x = 37,906.80 × 25,125.40
  4. Step 4: Simplify right side
    25,271.20x = 952,423,512.72
  5. Step 5: Solve for x
    x = 952,423,512.72/25,271.20
  6. Step 6: Final answer
    x = 37,688.10

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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.