Home / 26,820.30-40,217.46-15,730.62

Finding the Fourth Proportional to 26,820.30, 40,217.46 and 15,730.62

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Solution

The fourth proportional to 26,820.30, 40,217.46 and 15,730.62 is: 23,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.30 : 40,217.46 = 15,730.62 : x
  2. Step 2: Convert to fraction form
    26,820.30/40,217.46 = 15,730.62/x
  3. Step 3: Cross multiply
    26,820.30x = 40,217.46 × 15,730.62
  4. Step 4: Simplify right side
    26,820.30x = 632,645,580.63
  5. Step 5: Solve for x
    x = 632,645,580.63/26,820.30
  6. Step 6: Final answer
    x = 23,588.31

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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.