Home / 25,416.65-38,127.44-7,881.77

Finding the Fourth Proportional to 25,416.65, 38,127.44 and 7,881.77

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Solution

The fourth proportional to 25,416.65, 38,127.44 and 7,881.77 is: 11,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.65 : 38,127.44 = 7,881.77 : x
  2. Step 2: Convert to fraction form
    25,416.65/38,127.44 = 7,881.77/x
  3. Step 3: Cross multiply
    25,416.65x = 38,127.44 × 7,881.77
  4. Step 4: Simplify right side
    25,416.65x = 300,511,827.79
  5. Step 5: Solve for x
    x = 300,511,827.79/25,416.65
  6. Step 6: Final answer
    x = 11,823.42

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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.