Home / 28,726.42-39,642.36-16,151.17

Finding the Fourth Proportional to 28,726.42, 39,642.36 and 16,151.17

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Solution

The fourth proportional to 28,726.42, 39,642.36 and 16,151.17 is: 22,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.42 : 39,642.36 = 16,151.17 : x
  2. Step 2: Convert to fraction form
    28,726.42/39,642.36 = 16,151.17/x
  3. Step 3: Cross multiply
    28,726.42x = 39,642.36 × 16,151.17
  4. Step 4: Simplify right side
    28,726.42x = 640,270,495.56
  5. Step 5: Solve for x
    x = 640,270,495.56/28,726.42
  6. Step 6: Final answer
    x = 22,288.56

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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.