Home / 28,880.60-43,320.90-25,600.10

Finding the Fourth Proportional to 28,880.60, 43,320.90 and 25,600.10

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Solution

The fourth proportional to 28,880.60, 43,320.90 and 25,600.10 is: 38,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.60 : 43,320.90 = 25,600.10 : x
  2. Step 2: Convert to fraction form
    28,880.60/43,320.90 = 25,600.10/x
  3. Step 3: Cross multiply
    28,880.60x = 43,320.90 × 25,600.10
  4. Step 4: Simplify right side
    28,880.60x = 1,109,019,372.09
  5. Step 5: Solve for x
    x = 1,109,019,372.09/28,880.60
  6. Step 6: Final answer
    x = 38,400.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.