Home / 25,912.91-35,769.05-15,302.58

Finding the Fourth Proportional to 25,912.91, 35,769.05 and 15,302.58

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Solution

The fourth proportional to 25,912.91, 35,769.05 and 15,302.58 is: 21,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.91 : 35,769.05 = 15,302.58 : x
  2. Step 2: Convert to fraction form
    25,912.91/35,769.05 = 15,302.58/x
  3. Step 3: Cross multiply
    25,912.91x = 35,769.05 × 15,302.58
  4. Step 4: Simplify right side
    25,912.91x = 547,358,762.06
  5. Step 5: Solve for x
    x = 547,358,762.06/25,912.91
  6. Step 6: Final answer
    x = 21,123.02

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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.