Home / 19,726.06-27,166.64-19,664.55

Finding the Fourth Proportional to 19,726.06, 27,166.64 and 19,664.55

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Solution

The fourth proportional to 19,726.06, 27,166.64 and 19,664.55 is: 27,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.06 : 27,166.64 = 19,664.55 : x
  2. Step 2: Convert to fraction form
    19,726.06/27,166.64 = 19,664.55/x
  3. Step 3: Cross multiply
    19,726.06x = 27,166.64 × 19,664.55
  4. Step 4: Simplify right side
    19,726.06x = 534,219,686.50
  5. Step 5: Solve for x
    x = 534,219,686.50/19,726.06
  6. Step 6: Final answer
    x = 27,081.93

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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.