Home / 25,785.46-35,535.79-20,111.26

Finding the Fourth Proportional to 25,785.46, 35,535.79 and 20,111.26

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Solution

The fourth proportional to 25,785.46, 35,535.79 and 20,111.26 is: 27,715.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785.46 : 35,535.79 = 20,111.26 : x
  2. Step 2: Convert to fraction form
    25,785.46/35,535.79 = 20,111.26/x
  3. Step 3: Cross multiply
    25,785.46x = 35,535.79 × 20,111.26
  4. Step 4: Simplify right side
    25,785.46x = 714,669,512.00
  5. Step 5: Solve for x
    x = 714,669,512.00/25,785.46
  6. Step 6: Final answer
    x = 27,715.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.