Home / 25,991.32-38,991.06-11,204.40

Finding the Fourth Proportional to 25,991.32, 38,991.06 and 11,204.40

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Solution

The fourth proportional to 25,991.32, 38,991.06 and 11,204.40 is: 16,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.32 : 38,991.06 = 11,204.40 : x
  2. Step 2: Convert to fraction form
    25,991.32/38,991.06 = 11,204.40/x
  3. Step 3: Cross multiply
    25,991.32x = 38,991.06 × 11,204.40
  4. Step 4: Simplify right side
    25,991.32x = 436,871,432.66
  5. Step 5: Solve for x
    x = 436,871,432.66/25,991.32
  6. Step 6: Final answer
    x = 16,808.36

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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.