Home / 25,563.02-38,352.36-13,091.80

Finding the Fourth Proportional to 25,563.02, 38,352.36 and 13,091.80

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Solution

The fourth proportional to 25,563.02, 38,352.36 and 13,091.80 is: 19,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563.02 : 38,352.36 = 13,091.80 : x
  2. Step 2: Convert to fraction form
    25,563.02/38,352.36 = 13,091.80/x
  3. Step 3: Cross multiply
    25,563.02x = 38,352.36 × 13,091.80
  4. Step 4: Simplify right side
    25,563.02x = 502,101,426.65
  5. Step 5: Solve for x
    x = 502,101,426.65/25,563.02
  6. Step 6: Final answer
    x = 19,641.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.