Home / 23,180.80-31,998.72-14,809.60

Finding the Fourth Proportional to 23,180.80, 31,998.72 and 14,809.60

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Solution

The fourth proportional to 23,180.80, 31,998.72 and 14,809.60 is: 20,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.80 : 31,998.72 = 14,809.60 : x
  2. Step 2: Convert to fraction form
    23,180.80/31,998.72 = 14,809.60/x
  3. Step 3: Cross multiply
    23,180.80x = 31,998.72 × 14,809.60
  4. Step 4: Simplify right side
    23,180.80x = 473,888,243.71
  5. Step 5: Solve for x
    x = 473,888,243.71/23,180.80
  6. Step 6: Final answer
    x = 20,443.14

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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.