Home / 25,009.56-34,523.82-15,582.78

Finding the Fourth Proportional to 25,009.56, 34,523.82 and 15,582.78

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Solution

The fourth proportional to 25,009.56, 34,523.82 and 15,582.78 is: 21,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.56 : 34,523.82 = 15,582.78 : x
  2. Step 2: Convert to fraction form
    25,009.56/34,523.82 = 15,582.78/x
  3. Step 3: Cross multiply
    25,009.56x = 34,523.82 × 15,582.78
  4. Step 4: Simplify right side
    25,009.56x = 537,977,091.82
  5. Step 5: Solve for x
    x = 537,977,091.82/25,009.56
  6. Step 6: Final answer
    x = 21,510.86

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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.