Home / 25,735.32-35,504.34-15,655.68

Finding the Fourth Proportional to 25,735.32, 35,504.34 and 15,655.68

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Solution

The fourth proportional to 25,735.32, 35,504.34 and 15,655.68 is: 21,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735.32 : 35,504.34 = 15,655.68 : x
  2. Step 2: Convert to fraction form
    25,735.32/35,504.34 = 15,655.68/x
  3. Step 3: Cross multiply
    25,735.32x = 35,504.34 × 15,655.68
  4. Step 4: Simplify right side
    25,735.32x = 555,844,585.65
  5. Step 5: Solve for x
    x = 555,844,585.65/25,735.32
  6. Step 6: Final answer
    x = 21,598.51

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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.