Home / 26,424.78-36,477.83-18,498.12

Finding the Fourth Proportional to 26,424.78, 36,477.83 and 18,498.12

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Solution

The fourth proportional to 26,424.78, 36,477.83 and 18,498.12 is: 25,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.78 : 36,477.83 = 18,498.12 : x
  2. Step 2: Convert to fraction form
    26,424.78/36,477.83 = 18,498.12/x
  3. Step 3: Cross multiply
    26,424.78x = 36,477.83 × 18,498.12
  4. Step 4: Simplify right side
    26,424.78x = 674,771,184.19
  5. Step 5: Solve for x
    x = 674,771,184.19/26,424.78
  6. Step 6: Final answer
    x = 25,535.55

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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.