Home / 29,339.96-40,488.86-15,911.51

Finding the Fourth Proportional to 29,339.96, 40,488.86 and 15,911.51

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Solution

The fourth proportional to 29,339.96, 40,488.86 and 15,911.51 is: 21,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.96 : 40,488.86 = 15,911.51 : x
  2. Step 2: Convert to fraction form
    29,339.96/40,488.86 = 15,911.51/x
  3. Step 3: Cross multiply
    29,339.96x = 40,488.86 × 15,911.51
  4. Step 4: Simplify right side
    29,339.96x = 644,238,738.11
  5. Step 5: Solve for x
    x = 644,238,738.11/29,339.96
  6. Step 6: Final answer
    x = 21,957.73

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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.