Home / 17,988.60-26,842.20-16,120.68

Finding the Fourth Proportional to 17,988.60, 26,842.20 and 16,120.68

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Solution

The fourth proportional to 17,988.60, 26,842.20 and 16,120.68 is: 24,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.60 : 26,842.20 = 16,120.68 : x
  2. Step 2: Convert to fraction form
    17,988.60/26,842.20 = 16,120.68/x
  3. Step 3: Cross multiply
    17,988.60x = 26,842.20 × 16,120.68
  4. Step 4: Simplify right side
    17,988.60x = 432,714,516.70
  5. Step 5: Solve for x
    x = 432,714,516.70/17,988.60
  6. Step 6: Final answer
    x = 24,054.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.