Home / 28,854.52-39,812.32-16,279.32

Finding the Fourth Proportional to 28,854.52, 39,812.32 and 16,279.32

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Solution

The fourth proportional to 28,854.52, 39,812.32 and 16,279.32 is: 22,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.52 : 39,812.32 = 16,279.32 : x
  2. Step 2: Convert to fraction form
    28,854.52/39,812.32 = 16,279.32/x
  3. Step 3: Cross multiply
    28,854.52x = 39,812.32 × 16,279.32
  4. Step 4: Simplify right side
    28,854.52x = 648,117,497.22
  5. Step 5: Solve for x
    x = 648,117,497.22/28,854.52
  6. Step 6: Final answer
    x = 22,461.56

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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.