Home / 25,880.16-35,720.88-24,129.12

Finding the Fourth Proportional to 25,880.16, 35,720.88 and 24,129.12

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Solution

The fourth proportional to 25,880.16, 35,720.88 and 24,129.12 is: 33,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.16 : 35,720.88 = 24,129.12 : x
  2. Step 2: Convert to fraction form
    25,880.16/35,720.88 = 24,129.12/x
  3. Step 3: Cross multiply
    25,880.16x = 35,720.88 × 24,129.12
  4. Step 4: Simplify right side
    25,880.16x = 861,913,400.03
  5. Step 5: Solve for x
    x = 861,913,400.03/25,880.16
  6. Step 6: Final answer
    x = 33,304.02

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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.