Home / 25,859.20-38,791.02-7,139.23

Finding the Fourth Proportional to 25,859.20, 38,791.02 and 7,139.23

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Solution

The fourth proportional to 25,859.20, 38,791.02 and 7,139.23 is: 10,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.20 : 38,791.02 = 7,139.23 : x
  2. Step 2: Convert to fraction form
    25,859.20/38,791.02 = 7,139.23/x
  3. Step 3: Cross multiply
    25,859.20x = 38,791.02 × 7,139.23
  4. Step 4: Simplify right side
    25,859.20x = 276,938,013.71
  5. Step 5: Solve for x
    x = 276,938,013.71/25,859.20
  6. Step 6: Final answer
    x = 10,709.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.