Home / 25,568.35-35,274.95-15,489.52

Finding the Fourth Proportional to 25,568.35, 35,274.95 and 15,489.52

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Solution

The fourth proportional to 25,568.35, 35,274.95 and 15,489.52 is: 21,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568.35 : 35,274.95 = 15,489.52 : x
  2. Step 2: Convert to fraction form
    25,568.35/35,274.95 = 15,489.52/x
  3. Step 3: Cross multiply
    25,568.35x = 35,274.95 × 15,489.52
  4. Step 4: Simplify right side
    25,568.35x = 546,391,867.15
  5. Step 5: Solve for x
    x = 546,391,867.15/25,568.35
  6. Step 6: Final answer
    x = 21,369.86

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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.