Home / 29,299.31-40,433.01-15,870.83

Finding the Fourth Proportional to 29,299.31, 40,433.01 and 15,870.83

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Solution

The fourth proportional to 29,299.31, 40,433.01 and 15,870.83 is: 21,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,299.31 : 40,433.01 = 15,870.83 : x
  2. Step 2: Convert to fraction form
    29,299.31/40,433.01 = 15,870.83/x
  3. Step 3: Cross multiply
    29,299.31x = 40,433.01 × 15,870.83
  4. Step 4: Simplify right side
    29,299.31x = 641,705,225.93
  5. Step 5: Solve for x
    x = 641,705,225.93/29,299.31
  6. Step 6: Final answer
    x = 21,901.72

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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.