Home / 29,299.68-40,433.67-15,870.96

Finding the Fourth Proportional to 29,299.68, 40,433.67 and 15,870.96

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Solution

The fourth proportional to 29,299.68, 40,433.67 and 15,870.96 is: 21,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,299.68 : 40,433.67 = 15,870.96 : x
  2. Step 2: Convert to fraction form
    29,299.68/40,433.67 = 15,870.96/x
  3. Step 3: Cross multiply
    29,299.68x = 40,433.67 × 15,870.96
  4. Step 4: Simplify right side
    29,299.68x = 641,721,159.22
  5. Step 5: Solve for x
    x = 641,721,159.22/29,299.68
  6. Step 6: Final answer
    x = 21,901.99

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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.