Home / 25,268.65-34,870.29-13,939.18

Finding the Fourth Proportional to 25,268.65, 34,870.29 and 13,939.18

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Solution

The fourth proportional to 25,268.65, 34,870.29 and 13,939.18 is: 19,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.65 : 34,870.29 = 13,939.18 : x
  2. Step 2: Convert to fraction form
    25,268.65/34,870.29 = 13,939.18/x
  3. Step 3: Cross multiply
    25,268.65x = 34,870.29 × 13,939.18
  4. Step 4: Simplify right side
    25,268.65x = 486,063,248.96
  5. Step 5: Solve for x
    x = 486,063,248.96/25,268.65
  6. Step 6: Final answer
    x = 19,235.82

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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.