Home / 25,232.63-34,819.35-15,155.07

Finding the Fourth Proportional to 25,232.63, 34,819.35 and 15,155.07

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Solution

The fourth proportional to 25,232.63, 34,819.35 and 15,155.07 is: 20,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,232.63 : 34,819.35 = 15,155.07 : x
  2. Step 2: Convert to fraction form
    25,232.63/34,819.35 = 15,155.07/x
  3. Step 3: Cross multiply
    25,232.63x = 34,819.35 × 15,155.07
  4. Step 4: Simplify right side
    25,232.63x = 527,689,686.60
  5. Step 5: Solve for x
    x = 527,689,686.60/25,232.63
  6. Step 6: Final answer
    x = 20,912.99

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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.