Home / 26,360.80-36,378.72-14,424.64

Finding the Fourth Proportional to 26,360.80, 36,378.72 and 14,424.64

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Solution

The fourth proportional to 26,360.80, 36,378.72 and 14,424.64 is: 19,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,360.80 : 36,378.72 = 14,424.64 : x
  2. Step 2: Convert to fraction form
    26,360.80/36,378.72 = 14,424.64/x
  3. Step 3: Cross multiply
    26,360.80x = 36,378.72 × 14,424.64
  4. Step 4: Simplify right side
    26,360.80x = 524,749,939.66
  5. Step 5: Solve for x
    x = 524,749,939.66/26,360.80
  6. Step 6: Final answer
    x = 19,906.45

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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.