Home / 25,348.40-38,019.64-7,816.72

Finding the Fourth Proportional to 25,348.40, 38,019.64 and 7,816.72

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Solution

The fourth proportional to 25,348.40, 38,019.64 and 7,816.72 is: 11,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.40 : 38,019.64 = 7,816.72 : x
  2. Step 2: Convert to fraction form
    25,348.40/38,019.64 = 7,816.72/x
  3. Step 3: Cross multiply
    25,348.40x = 38,019.64 × 7,816.72
  4. Step 4: Simplify right side
    25,348.40x = 297,188,880.38
  5. Step 5: Solve for x
    x = 297,188,880.38/25,348.40
  6. Step 6: Final answer
    x = 11,724.17

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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.