Home / 25,116.20-34,637.82-18,758.19

Finding the Fourth Proportional to 25,116.20, 34,637.82 and 18,758.19

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Solution

The fourth proportional to 25,116.20, 34,637.82 and 18,758.19 is: 25,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116.20 : 34,637.82 = 18,758.19 : x
  2. Step 2: Convert to fraction form
    25,116.20/34,637.82 = 18,758.19/x
  3. Step 3: Cross multiply
    25,116.20x = 34,637.82 × 18,758.19
  4. Step 4: Simplify right side
    25,116.20x = 649,742,808.75
  5. Step 5: Solve for x
    x = 649,742,808.75/25,116.20
  6. Step 6: Final answer
    x = 25,869.48

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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.