Home / 25,830.06-35,641.25-15,218.25

Finding the Fourth Proportional to 25,830.06, 35,641.25 and 15,218.25

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Solution

The fourth proportional to 25,830.06, 35,641.25 and 15,218.25 is: 20,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.06 : 35,641.25 = 15,218.25 : x
  2. Step 2: Convert to fraction form
    25,830.06/35,641.25 = 15,218.25/x
  3. Step 3: Cross multiply
    25,830.06x = 35,641.25 × 15,218.25
  4. Step 4: Simplify right side
    25,830.06x = 542,397,586.22
  5. Step 5: Solve for x
    x = 542,397,586.22/25,830.06
  6. Step 6: Final answer
    x = 20,998.69

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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.