Home / 28,448.88-39,272.74-16,509.91

Finding the Fourth Proportional to 28,448.88, 39,272.74 and 16,509.91

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Solution

The fourth proportional to 28,448.88, 39,272.74 and 16,509.91 is: 22,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.88 : 39,272.74 = 16,509.91 : x
  2. Step 2: Convert to fraction form
    28,448.88/39,272.74 = 16,509.91/x
  3. Step 3: Cross multiply
    28,448.88x = 39,272.74 × 16,509.91
  4. Step 4: Simplify right side
    28,448.88x = 648,389,472.58
  5. Step 5: Solve for x
    x = 648,389,472.58/28,448.88
  6. Step 6: Final answer
    x = 22,791.39

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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.