Home / 26,770.81-36,943.10-15,440.33

Finding the Fourth Proportional to 26,770.81, 36,943.10 and 15,440.33

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Solution

The fourth proportional to 26,770.81, 36,943.10 and 15,440.33 is: 21,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,770.81 : 36,943.10 = 15,440.33 : x
  2. Step 2: Convert to fraction form
    26,770.81/36,943.10 = 15,440.33/x
  3. Step 3: Cross multiply
    26,770.81x = 36,943.10 × 15,440.33
  4. Step 4: Simplify right side
    26,770.81x = 570,413,470.51
  5. Step 5: Solve for x
    x = 570,413,470.51/26,770.81
  6. Step 6: Final answer
    x = 21,307.29

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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.