Home / 26,970.48-37,223.76-19,917.28

Finding the Fourth Proportional to 26,970.48, 37,223.76 and 19,917.28

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Solution

The fourth proportional to 26,970.48, 37,223.76 and 19,917.28 is: 27,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.48 : 37,223.76 = 19,917.28 : x
  2. Step 2: Convert to fraction form
    26,970.48/37,223.76 = 19,917.28/x
  3. Step 3: Cross multiply
    26,970.48x = 37,223.76 × 19,917.28
  4. Step 4: Simplify right side
    26,970.48x = 741,396,050.57
  5. Step 5: Solve for x
    x = 741,396,050.57/26,970.48
  6. Step 6: Final answer
    x = 27,489.17

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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.