Home / 25,549.52-38,330.04-7,781.77

Finding the Fourth Proportional to 25,549.52, 38,330.04 and 7,781.77

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Solution

The fourth proportional to 25,549.52, 38,330.04 and 7,781.77 is: 11,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.52 : 38,330.04 = 7,781.77 : x
  2. Step 2: Convert to fraction form
    25,549.52/38,330.04 = 7,781.77/x
  3. Step 3: Cross multiply
    25,549.52x = 38,330.04 × 7,781.77
  4. Step 4: Simplify right side
    25,549.52x = 298,275,555.37
  5. Step 5: Solve for x
    x = 298,275,555.37/25,549.52
  6. Step 6: Final answer
    x = 11,674.41

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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.