Home / 25,409.16-38,091.06-12,922.20

Finding the Fourth Proportional to 25,409.16, 38,091.06 and 12,922.20

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Solution

The fourth proportional to 25,409.16, 38,091.06 and 12,922.20 is: 19,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.16 : 38,091.06 = 12,922.20 : x
  2. Step 2: Convert to fraction form
    25,409.16/38,091.06 = 12,922.20/x
  3. Step 3: Cross multiply
    25,409.16x = 38,091.06 × 12,922.20
  4. Step 4: Simplify right side
    25,409.16x = 492,220,295.53
  5. Step 5: Solve for x
    x = 492,220,295.53/25,409.16
  6. Step 6: Final answer
    x = 19,371.77

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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.