Home / 25,117.20-37,675.80-12,632.40

Finding the Fourth Proportional to 25,117.20, 37,675.80 and 12,632.40

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Solution

The fourth proportional to 25,117.20, 37,675.80 and 12,632.40 is: 18,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.20 : 37,675.80 = 12,632.40 : x
  2. Step 2: Convert to fraction form
    25,117.20/37,675.80 = 12,632.40/x
  3. Step 3: Cross multiply
    25,117.20x = 37,675.80 × 12,632.40
  4. Step 4: Simplify right side
    25,117.20x = 475,935,775.92
  5. Step 5: Solve for x
    x = 475,935,775.92/25,117.20
  6. Step 6: Final answer
    x = 18,948.60

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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.