Home / 26,726.54-36,870.66-15,393.06

Finding the Fourth Proportional to 26,726.54, 36,870.66 and 15,393.06

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Solution

The fourth proportional to 26,726.54, 36,870.66 and 15,393.06 is: 21,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,726.54 : 36,870.66 = 15,393.06 : x
  2. Step 2: Convert to fraction form
    26,726.54/36,870.66 = 15,393.06/x
  3. Step 3: Cross multiply
    26,726.54x = 36,870.66 × 15,393.06
  4. Step 4: Simplify right side
    26,726.54x = 567,552,281.62
  5. Step 5: Solve for x
    x = 567,552,281.62/26,726.54
  6. Step 6: Final answer
    x = 21,235.54

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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.