Home / 19,344.80-26,685.68-14,620.88

Finding the Fourth Proportional to 19,344.80, 26,685.68 and 14,620.88

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Solution

The fourth proportional to 19,344.80, 26,685.68 and 14,620.88 is: 20,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.80 : 26,685.68 = 14,620.88 : x
  2. Step 2: Convert to fraction form
    19,344.80/26,685.68 = 14,620.88/x
  3. Step 3: Cross multiply
    19,344.80x = 26,685.68 × 14,620.88
  4. Step 4: Simplify right side
    19,344.80x = 390,168,125.00
  5. Step 5: Solve for x
    x = 390,168,125.00/19,344.80
  6. Step 6: Final answer
    x = 20,169.15

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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.