Home / 29,235.82-40,345.35-15,806.98

Finding the Fourth Proportional to 29,235.82, 40,345.35 and 15,806.98

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Solution

The fourth proportional to 29,235.82, 40,345.35 and 15,806.98 is: 21,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.82 : 40,345.35 = 15,806.98 : x
  2. Step 2: Convert to fraction form
    29,235.82/40,345.35 = 15,806.98/x
  3. Step 3: Cross multiply
    29,235.82x = 40,345.35 × 15,806.98
  4. Step 4: Simplify right side
    29,235.82x = 637,738,140.54
  5. Step 5: Solve for x
    x = 637,738,140.54/29,235.82
  6. Step 6: Final answer
    x = 21,813.59

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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.