Home / 26,721.89-36,873.56-14,783.57

Finding the Fourth Proportional to 26,721.89, 36,873.56 and 14,783.57

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Solution

The fourth proportional to 26,721.89, 36,873.56 and 14,783.57 is: 20,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.89 : 36,873.56 = 14,783.57 : x
  2. Step 2: Convert to fraction form
    26,721.89/36,873.56 = 14,783.57/x
  3. Step 3: Cross multiply
    26,721.89x = 36,873.56 × 14,783.57
  4. Step 4: Simplify right side
    26,721.89x = 545,122,708.00
  5. Step 5: Solve for x
    x = 545,122,708.00/26,721.89
  6. Step 6: Final answer
    x = 20,399.86

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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.