Home / 21,758.52-30,009.62-14,585.96

Finding the Fourth Proportional to 21,758.52, 30,009.62 and 14,585.96

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Solution

The fourth proportional to 21,758.52, 30,009.62 and 14,585.96 is: 20,117.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,758.52 : 30,009.62 = 14,585.96 : x
  2. Step 2: Convert to fraction form
    21,758.52/30,009.62 = 14,585.96/x
  3. Step 3: Cross multiply
    21,758.52x = 30,009.62 × 14,585.96
  4. Step 4: Simplify right side
    21,758.52x = 437,719,116.94
  5. Step 5: Solve for x
    x = 437,719,116.94/21,758.52
  6. Step 6: Final answer
    x = 20,117.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.