Home / 25,137.24-34,686.77-15,065.43

Finding the Fourth Proportional to 25,137.24, 34,686.77 and 15,065.43

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Solution

The fourth proportional to 25,137.24, 34,686.77 and 15,065.43 is: 20,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.24 : 34,686.77 = 15,065.43 : x
  2. Step 2: Convert to fraction form
    25,137.24/34,686.77 = 15,065.43/x
  3. Step 3: Cross multiply
    25,137.24x = 34,686.77 × 15,065.43
  4. Step 4: Simplify right side
    25,137.24x = 522,571,030.03
  5. Step 5: Solve for x
    x = 522,571,030.03/25,137.24
  6. Step 6: Final answer
    x = 20,788.72

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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.