Home / 25,388.57-38,118.69-15,998.15

Finding the Fourth Proportional to 25,388.57, 38,118.69 and 15,998.15

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Solution

The fourth proportional to 25,388.57, 38,118.69 and 15,998.15 is: 24,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.57 : 38,118.69 = 15,998.15 : x
  2. Step 2: Convert to fraction form
    25,388.57/38,118.69 = 15,998.15/x
  3. Step 3: Cross multiply
    25,388.57x = 38,118.69 × 15,998.15
  4. Step 4: Simplify right side
    25,388.57x = 609,828,329.83
  5. Step 5: Solve for x
    x = 609,828,329.83/25,388.57
  6. Step 6: Final answer
    x = 24,019.80

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1.5x scale

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.