Home / 29,300.13-40,433.99-15,871.07

Finding the Fourth Proportional to 29,300.13, 40,433.99 and 15,871.07

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Solution

The fourth proportional to 29,300.13, 40,433.99 and 15,871.07 is: 21,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.13 : 40,433.99 = 15,871.07 : x
  2. Step 2: Convert to fraction form
    29,300.13/40,433.99 = 15,871.07/x
  3. Step 3: Cross multiply
    29,300.13x = 40,433.99 × 15,871.07
  4. Step 4: Simplify right side
    29,300.13x = 641,730,707.40
  5. Step 5: Solve for x
    x = 641,730,707.40/29,300.13
  6. Step 6: Final answer
    x = 21,901.97

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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.