Home / 25,924.52-38,835.14-19,980.66

Finding the Fourth Proportional to 25,924.52, 38,835.14 and 19,980.66

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Solution

The fourth proportional to 25,924.52, 38,835.14 and 19,980.66 is: 29,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,924.52 : 38,835.14 = 19,980.66 : x
  2. Step 2: Convert to fraction form
    25,924.52/38,835.14 = 19,980.66/x
  3. Step 3: Cross multiply
    25,924.52x = 38,835.14 × 19,980.66
  4. Step 4: Simplify right side
    25,924.52x = 775,951,728.39
  5. Step 5: Solve for x
    x = 775,951,728.39/25,924.52
  6. Step 6: Final answer
    x = 29,931.19

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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.