Home / 26,981.52-40,447.44-18,219.48

Finding the Fourth Proportional to 26,981.52, 40,447.44 and 18,219.48

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Solution

The fourth proportional to 26,981.52, 40,447.44 and 18,219.48 is: 27,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.52 : 40,447.44 = 18,219.48 : x
  2. Step 2: Convert to fraction form
    26,981.52/40,447.44 = 18,219.48/x
  3. Step 3: Cross multiply
    26,981.52x = 40,447.44 × 18,219.48
  4. Step 4: Simplify right side
    26,981.52x = 736,931,324.13
  5. Step 5: Solve for x
    x = 736,931,324.13/26,981.52
  6. Step 6: Final answer
    x = 27,312.45

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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.