Home / 25,856.70-35,685.54-15,247.32

Finding the Fourth Proportional to 25,856.70, 35,685.54 and 15,247.32

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Solution

The fourth proportional to 25,856.70, 35,685.54 and 15,247.32 is: 21,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.70 : 35,685.54 = 15,247.32 : x
  2. Step 2: Convert to fraction form
    25,856.70/35,685.54 = 15,247.32/x
  3. Step 3: Cross multiply
    25,856.70x = 35,685.54 × 15,247.32
  4. Step 4: Simplify right side
    25,856.70x = 544,108,847.75
  5. Step 5: Solve for x
    x = 544,108,847.75/25,856.70
  6. Step 6: Final answer
    x = 21,043.24

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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.