Home / 25,442.36-35,112.61-14,115.50

Finding the Fourth Proportional to 25,442.36, 35,112.61 and 14,115.50

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Solution

The fourth proportional to 25,442.36, 35,112.61 and 14,115.50 is: 19,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.36 : 35,112.61 = 14,115.50 : x
  2. Step 2: Convert to fraction form
    25,442.36/35,112.61 = 14,115.50/x
  3. Step 3: Cross multiply
    25,442.36x = 35,112.61 × 14,115.50
  4. Step 4: Simplify right side
    25,442.36x = 495,631,923.38
  5. Step 5: Solve for x
    x = 495,631,923.38/25,442.36
  6. Step 6: Final answer
    x = 19,480.58

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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.