Home / 26,757.06-36,921.56-15,430.26

Finding the Fourth Proportional to 26,757.06, 36,921.56 and 15,430.26

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Solution

The fourth proportional to 26,757.06, 36,921.56 and 15,430.26 is: 21,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,757.06 : 36,921.56 = 15,430.26 : x
  2. Step 2: Convert to fraction form
    26,757.06/36,921.56 = 15,430.26/x
  3. Step 3: Cross multiply
    26,757.06x = 36,921.56 × 15,430.26
  4. Step 4: Simplify right side
    26,757.06x = 569,709,270.41
  5. Step 5: Solve for x
    x = 569,709,270.41/26,757.06
  6. Step 6: Final answer
    x = 21,291.92

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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.