Home / 19,455.46-28,998.12-18,348.19

Finding the Fourth Proportional to 19,455.46, 28,998.12 and 18,348.19

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Solution

The fourth proportional to 19,455.46, 28,998.12 and 18,348.19 is: 27,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.46 : 28,998.12 = 18,348.19 : x
  2. Step 2: Convert to fraction form
    19,455.46/28,998.12 = 18,348.19/x
  3. Step 3: Cross multiply
    19,455.46x = 28,998.12 × 18,348.19
  4. Step 4: Simplify right side
    19,455.46x = 532,063,015.40
  5. Step 5: Solve for x
    x = 532,063,015.40/19,455.46
  6. Step 6: Final answer
    x = 27,347.75

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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.