Home / 26,721.36-40,082.04-19,800.72

Finding the Fourth Proportional to 26,721.36, 40,082.04 and 19,800.72

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Solution

The fourth proportional to 26,721.36, 40,082.04 and 19,800.72 is: 29,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.36 : 40,082.04 = 19,800.72 : x
  2. Step 2: Convert to fraction form
    26,721.36/40,082.04 = 19,800.72/x
  3. Step 3: Cross multiply
    26,721.36x = 40,082.04 × 19,800.72
  4. Step 4: Simplify right side
    26,721.36x = 793,653,251.07
  5. Step 5: Solve for x
    x = 793,653,251.07/26,721.36
  6. Step 6: Final answer
    x = 29,701.08

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1.5x scale

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.