Home / 26,978.04-37,228.86-15,040.44

Finding the Fourth Proportional to 26,978.04, 37,228.86 and 15,040.44

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Solution

The fourth proportional to 26,978.04, 37,228.86 and 15,040.44 is: 20,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,978.04 : 37,228.86 = 15,040.44 : x
  2. Step 2: Convert to fraction form
    26,978.04/37,228.86 = 15,040.44/x
  3. Step 3: Cross multiply
    26,978.04x = 37,228.86 × 15,040.44
  4. Step 4: Simplify right side
    26,978.04x = 559,938,435.10
  5. Step 5: Solve for x
    x = 559,938,435.10/26,978.04
  6. Step 6: Final answer
    x = 20,755.34

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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.