Home / 23,050.24-31,815.68-13,619.20

Finding the Fourth Proportional to 23,050.24, 31,815.68 and 13,619.20

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Solution

The fourth proportional to 23,050.24, 31,815.68 and 13,619.20 is: 18,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,050.24 : 31,815.68 = 13,619.20 : x
  2. Step 2: Convert to fraction form
    23,050.24/31,815.68 = 13,619.20/x
  3. Step 3: Cross multiply
    23,050.24x = 31,815.68 × 13,619.20
  4. Step 4: Simplify right side
    23,050.24x = 433,304,109.06
  5. Step 5: Solve for x
    x = 433,304,109.06/23,050.24
  6. Step 6: Final answer
    x = 18,798.25

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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.