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Finding the Fourth Proportional to 29,230.51, 40,338.05 and 15,801.77

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Solution

The fourth proportional to 29,230.51, 40,338.05 and 15,801.77 is: 21,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.51 : 40,338.05 = 15,801.77 : x
  2. Step 2: Convert to fraction form
    29,230.51/40,338.05 = 15,801.77/x
  3. Step 3: Cross multiply
    29,230.51x = 40,338.05 × 15,801.77
  4. Step 4: Simplify right side
    29,230.51x = 637,412,307.65
  5. Step 5: Solve for x
    x = 637,412,307.65/29,230.51
  6. Step 6: Final answer
    x = 21,806.41

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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.