Home / 29,329.92-40,475.42-15,901.16

Finding the Fourth Proportional to 29,329.92, 40,475.42 and 15,901.16

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Solution

The fourth proportional to 29,329.92, 40,475.42 and 15,901.16 is: 21,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.92 : 40,475.42 = 15,901.16 : x
  2. Step 2: Convert to fraction form
    29,329.92/40,475.42 = 15,901.16/x
  3. Step 3: Cross multiply
    29,329.92x = 40,475.42 × 15,901.16
  4. Step 4: Simplify right side
    29,329.92x = 643,606,129.49
  5. Step 5: Solve for x
    x = 643,606,129.49/29,329.92
  6. Step 6: Final answer
    x = 21,943.67

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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.