Home / 26,955.05-40,440.47-13,816.58

Finding the Fourth Proportional to 26,955.05, 40,440.47 and 13,816.58

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Solution

The fourth proportional to 26,955.05, 40,440.47 and 13,816.58 is: 20,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.05 : 40,440.47 = 13,816.58 : x
  2. Step 2: Convert to fraction form
    26,955.05/40,440.47 = 13,816.58/x
  3. Step 3: Cross multiply
    26,955.05x = 40,440.47 × 13,816.58
  4. Step 4: Simplify right side
    26,955.05x = 558,748,717.71
  5. Step 5: Solve for x
    x = 558,748,717.71/26,955.05
  6. Step 6: Final answer
    x = 20,728.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.