Home / 25,217.02-34,797.90-15,139.51

Finding the Fourth Proportional to 25,217.02, 34,797.90 and 15,139.51

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Solution

The fourth proportional to 25,217.02, 34,797.90 and 15,139.51 is: 20,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,217.02 : 34,797.90 = 15,139.51 : x
  2. Step 2: Convert to fraction form
    25,217.02/34,797.90 = 15,139.51/x
  3. Step 3: Cross multiply
    25,217.02x = 34,797.90 × 15,139.51
  4. Step 4: Simplify right side
    25,217.02x = 526,823,124.81
  5. Step 5: Solve for x
    x = 526,823,124.81/25,217.02
  6. Step 6: Final answer
    x = 20,891.57

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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.