Home / 28,746.20-43,119.30-25,290.20

Finding the Fourth Proportional to 28,746.20, 43,119.30 and 25,290.20

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Solution

The fourth proportional to 28,746.20, 43,119.30 and 25,290.20 is: 37,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.20 : 43,119.30 = 25,290.20 : x
  2. Step 2: Convert to fraction form
    28,746.20/43,119.30 = 25,290.20/x
  3. Step 3: Cross multiply
    28,746.20x = 43,119.30 × 25,290.20
  4. Step 4: Simplify right side
    28,746.20x = 1,090,495,720.86
  5. Step 5: Solve for x
    x = 1,090,495,720.86/28,746.20
  6. Step 6: Final answer
    x = 37,935.30

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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.