Home / 29,328.14-40,472.87-15,899.39

Finding the Fourth Proportional to 29,328.14, 40,472.87 and 15,899.39

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Solution

The fourth proportional to 29,328.14, 40,472.87 and 15,899.39 is: 21,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,328.14 : 40,472.87 = 15,899.39 : x
  2. Step 2: Convert to fraction form
    29,328.14/40,472.87 = 15,899.39/x
  3. Step 3: Cross multiply
    29,328.14x = 40,472.87 × 15,899.39
  4. Step 4: Simplify right side
    29,328.14x = 643,493,662.69
  5. Step 5: Solve for x
    x = 643,493,662.69/29,328.14
  6. Step 6: Final answer
    x = 21,941.17

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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.