Home / 26,345.12-36,339.64-18,384.44

Finding the Fourth Proportional to 26,345.12, 36,339.64 and 18,384.44

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Solution

The fourth proportional to 26,345.12, 36,339.64 and 18,384.44 is: 25,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.12 : 36,339.64 = 18,384.44 : x
  2. Step 2: Convert to fraction form
    26,345.12/36,339.64 = 18,384.44/x
  3. Step 3: Cross multiply
    26,345.12x = 36,339.64 × 18,384.44
  4. Step 4: Simplify right side
    26,345.12x = 668,083,703.54
  5. Step 5: Solve for x
    x = 668,083,703.54/26,345.12
  6. Step 6: Final answer
    x = 25,358.92

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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.