Home / 25,141.72-34,694.45-15,075.72

Finding the Fourth Proportional to 25,141.72, 34,694.45 and 15,075.72

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Solution

The fourth proportional to 25,141.72, 34,694.45 and 15,075.72 is: 20,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.72 : 34,694.45 = 15,075.72 : x
  2. Step 2: Convert to fraction form
    25,141.72/34,694.45 = 15,075.72/x
  3. Step 3: Cross multiply
    25,141.72x = 34,694.45 × 15,075.72
  4. Step 4: Simplify right side
    25,141.72x = 523,043,640.28
  5. Step 5: Solve for x
    x = 523,043,640.28/25,141.72
  6. Step 6: Final answer
    x = 20,803.81

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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.