Home / 25,240.48-37,861.34-12,078.40

Finding the Fourth Proportional to 25,240.48, 37,861.34 and 12,078.40

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Solution

The fourth proportional to 25,240.48, 37,861.34 and 12,078.40 is: 18,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.48 : 37,861.34 = 12,078.40 : x
  2. Step 2: Convert to fraction form
    25,240.48/37,861.34 = 12,078.40/x
  3. Step 3: Cross multiply
    25,240.48x = 37,861.34 × 12,078.40
  4. Step 4: Simplify right side
    25,240.48x = 457,304,409.06
  5. Step 5: Solve for x
    x = 457,304,409.06/25,240.48
  6. Step 6: Final answer
    x = 18,117.90

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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.