Home / 26,619.76-36,730.20-18,233.20

Finding the Fourth Proportional to 26,619.76, 36,730.20 and 18,233.20

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Solution

The fourth proportional to 26,619.76, 36,730.20 and 18,233.20 is: 25,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.76 : 36,730.20 = 18,233.20 : x
  2. Step 2: Convert to fraction form
    26,619.76/36,730.20 = 18,233.20/x
  3. Step 3: Cross multiply
    26,619.76x = 36,730.20 × 18,233.20
  4. Step 4: Simplify right side
    26,619.76x = 669,709,082.64
  5. Step 5: Solve for x
    x = 669,709,082.64/26,619.76
  6. Step 6: Final answer
    x = 25,158.34

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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.