Home / 26,166.57-36,123.66-21,005.93

Finding the Fourth Proportional to 26,166.57, 36,123.66 and 21,005.93

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Solution

The fourth proportional to 26,166.57, 36,123.66 and 21,005.93 is: 28,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.57 : 36,123.66 = 21,005.93 : x
  2. Step 2: Convert to fraction form
    26,166.57/36,123.66 = 21,005.93/x
  3. Step 3: Cross multiply
    26,166.57x = 36,123.66 × 21,005.93
  4. Step 4: Simplify right side
    26,166.57x = 758,810,892.69
  5. Step 5: Solve for x
    x = 758,810,892.69/26,166.57
  6. Step 6: Final answer
    x = 28,999.25

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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.