Home / 26,388.12-36,415.66-14,288.73

Finding the Fourth Proportional to 26,388.12, 36,415.66 and 14,288.73

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Solution

The fourth proportional to 26,388.12, 36,415.66 and 14,288.73 is: 19,718.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.12 : 36,415.66 = 14,288.73 : x
  2. Step 2: Convert to fraction form
    26,388.12/36,415.66 = 14,288.73/x
  3. Step 3: Cross multiply
    26,388.12x = 36,415.66 × 14,288.73
  4. Step 4: Simplify right side
    26,388.12x = 520,333,533.51
  5. Step 5: Solve for x
    x = 520,333,533.51/26,388.12
  6. Step 6: Final answer
    x = 19,718.48

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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.