Home / 25,340.40-38,018.70-8,711.10

Finding the Fourth Proportional to 25,340.40, 38,018.70 and 8,711.10

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Solution

The fourth proportional to 25,340.40, 38,018.70 and 8,711.10 is: 13,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.40 : 38,018.70 = 8,711.10 : x
  2. Step 2: Convert to fraction form
    25,340.40/38,018.70 = 8,711.10/x
  3. Step 3: Cross multiply
    25,340.40x = 38,018.70 × 8,711.10
  4. Step 4: Simplify right side
    25,340.40x = 331,184,697.57
  5. Step 5: Solve for x
    x = 331,184,697.57/25,340.40
  6. Step 6: Final answer
    x = 13,069.43

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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.