Home / 26,264.48-36,220.56-20,287.20

Finding the Fourth Proportional to 26,264.48, 36,220.56 and 20,287.20

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Solution

The fourth proportional to 26,264.48, 36,220.56 and 20,287.20 is: 27,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,264.48 : 36,220.56 = 20,287.20 : x
  2. Step 2: Convert to fraction form
    26,264.48/36,220.56 = 20,287.20/x
  3. Step 3: Cross multiply
    26,264.48x = 36,220.56 × 20,287.20
  4. Step 4: Simplify right side
    26,264.48x = 734,813,744.83
  5. Step 5: Solve for x
    x = 734,813,744.83/26,264.48
  6. Step 6: Final answer
    x = 27,977.47

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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.