Home / 28,726.52-39,642.21-16,151.27

Finding the Fourth Proportional to 28,726.52, 39,642.21 and 16,151.27

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Solution

The fourth proportional to 28,726.52, 39,642.21 and 16,151.27 is: 22,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.52 : 39,642.21 = 16,151.27 : x
  2. Step 2: Convert to fraction form
    28,726.52/39,642.21 = 16,151.27/x
  3. Step 3: Cross multiply
    28,726.52x = 39,642.21 × 16,151.27
  4. Step 4: Simplify right side
    28,726.52x = 640,271,838.90
  5. Step 5: Solve for x
    x = 640,271,838.90/28,726.52
  6. Step 6: Final answer
    x = 22,288.53

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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.