Home / 29,275.55-40,400.16-15,846.69

Finding the Fourth Proportional to 29,275.55, 40,400.16 and 15,846.69

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Solution

The fourth proportional to 29,275.55, 40,400.16 and 15,846.69 is: 21,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,275.55 : 40,400.16 = 15,846.69 : x
  2. Step 2: Convert to fraction form
    29,275.55/40,400.16 = 15,846.69/x
  3. Step 3: Cross multiply
    29,275.55x = 40,400.16 × 15,846.69
  4. Step 4: Simplify right side
    29,275.55x = 640,208,811.47
  5. Step 5: Solve for x
    x = 640,208,811.47/29,275.55
  6. Step 6: Final answer
    x = 21,868.38

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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.