Home / 28,967.76-39,979.44-16,392.24

Finding the Fourth Proportional to 28,967.76, 39,979.44 and 16,392.24

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Solution

The fourth proportional to 28,967.76, 39,979.44 and 16,392.24 is: 22,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.76 : 39,979.44 = 16,392.24 : x
  2. Step 2: Convert to fraction form
    28,967.76/39,979.44 = 16,392.24/x
  3. Step 3: Cross multiply
    28,967.76x = 39,979.44 × 16,392.24
  4. Step 4: Simplify right side
    28,967.76x = 655,352,575.55
  5. Step 5: Solve for x
    x = 655,352,575.55/28,967.76
  6. Step 6: Final answer
    x = 22,623.52

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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.