Home / 25,344.96-38,019.60-7,818.72

Finding the Fourth Proportional to 25,344.96, 38,019.60 and 7,818.72

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Solution

The fourth proportional to 25,344.96, 38,019.60 and 7,818.72 is: 11,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344.96 : 38,019.60 = 7,818.72 : x
  2. Step 2: Convert to fraction form
    25,344.96/38,019.60 = 7,818.72/x
  3. Step 3: Cross multiply
    25,344.96x = 38,019.60 × 7,818.72
  4. Step 4: Simplify right side
    25,344.96x = 297,264,606.91
  5. Step 5: Solve for x
    x = 297,264,606.91/25,344.96
  6. Step 6: Final answer
    x = 11,728.75

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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.