Home / 25,275.64-34,883.48-15,209.32

Finding the Fourth Proportional to 25,275.64, 34,883.48 and 15,209.32

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Solution

The fourth proportional to 25,275.64, 34,883.48 and 15,209.32 is: 20,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.64 : 34,883.48 = 15,209.32 : x
  2. Step 2: Convert to fraction form
    25,275.64/34,883.48 = 15,209.32/x
  3. Step 3: Cross multiply
    25,275.64x = 34,883.48 × 15,209.32
  4. Step 4: Simplify right side
    25,275.64x = 530,554,010.03
  5. Step 5: Solve for x
    x = 530,554,010.03/25,275.64
  6. Step 6: Final answer
    x = 20,990.73

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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.