Home / 26,946.88-40,428.72-13,808.47

Finding the Fourth Proportional to 26,946.88, 40,428.72 and 13,808.47

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Solution

The fourth proportional to 26,946.88, 40,428.72 and 13,808.47 is: 20,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,946.88 : 40,428.72 = 13,808.47 : x
  2. Step 2: Convert to fraction form
    26,946.88/40,428.72 = 13,808.47/x
  3. Step 3: Cross multiply
    26,946.88x = 40,428.72 × 13,808.47
  4. Step 4: Simplify right side
    26,946.88x = 558,258,767.26
  5. Step 5: Solve for x
    x = 558,258,767.26/26,946.88
  6. Step 6: Final answer
    x = 20,717.01

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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.