Home / 25,742.24-35,533.05-15,135.02

Finding the Fourth Proportional to 25,742.24, 35,533.05 and 15,135.02

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Solution

The fourth proportional to 25,742.24, 35,533.05 and 15,135.02 is: 20,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,742.24 : 35,533.05 = 15,135.02 : x
  2. Step 2: Convert to fraction form
    25,742.24/35,533.05 = 15,135.02/x
  3. Step 3: Cross multiply
    25,742.24x = 35,533.05 × 15,135.02
  4. Step 4: Simplify right side
    25,742.24x = 537,793,422.41
  5. Step 5: Solve for x
    x = 537,793,422.41/25,742.24
  6. Step 6: Final answer
    x = 20,891.48

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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.