Home / 25,812.41-38,620.77-15,288.08

Finding the Fourth Proportional to 25,812.41, 38,620.77 and 15,288.08

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Solution

The fourth proportional to 25,812.41, 38,620.77 and 15,288.08 is: 22,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812.41 : 38,620.77 = 15,288.08 : x
  2. Step 2: Convert to fraction form
    25,812.41/38,620.77 = 15,288.08/x
  3. Step 3: Cross multiply
    25,812.41x = 38,620.77 × 15,288.08
  4. Step 4: Simplify right side
    25,812.41x = 590,437,228.32
  5. Step 5: Solve for x
    x = 590,437,228.32/25,812.41
  6. Step 6: Final answer
    x = 22,874.17

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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.