Home / 25,944.32-38,928.79-15,435.10

Finding the Fourth Proportional to 25,944.32, 38,928.79 and 15,435.10

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Solution

The fourth proportional to 25,944.32, 38,928.79 and 15,435.10 is: 23,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,944.32 : 38,928.79 = 15,435.10 : x
  2. Step 2: Convert to fraction form
    25,944.32/38,928.79 = 15,435.10/x
  3. Step 3: Cross multiply
    25,944.32x = 38,928.79 × 15,435.10
  4. Step 4: Simplify right side
    25,944.32x = 600,869,786.68
  5. Step 5: Solve for x
    x = 600,869,786.68/25,944.32
  6. Step 6: Final answer
    x = 23,159.97

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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.