Home / 25,435.57-35,101.50-14,105.54

Finding the Fourth Proportional to 25,435.57, 35,101.50 and 14,105.54

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Solution

The fourth proportional to 25,435.57, 35,101.50 and 14,105.54 is: 19,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.57 : 35,101.50 = 14,105.54 : x
  2. Step 2: Convert to fraction form
    25,435.57/35,101.50 = 14,105.54/x
  3. Step 3: Cross multiply
    25,435.57x = 35,101.50 × 14,105.54
  4. Step 4: Simplify right side
    25,435.57x = 495,125,612.31
  5. Step 5: Solve for x
    x = 495,125,612.31/25,435.57
  6. Step 6: Final answer
    x = 19,465.87

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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.