Home / 28,730.98-39,650.28-16,801.30

Finding the Fourth Proportional to 28,730.98, 39,650.28 and 16,801.30

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Solution

The fourth proportional to 28,730.98, 39,650.28 and 16,801.30 is: 23,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.98 : 39,650.28 = 16,801.30 : x
  2. Step 2: Convert to fraction form
    28,730.98/39,650.28 = 16,801.30/x
  3. Step 3: Cross multiply
    28,730.98x = 39,650.28 × 16,801.30
  4. Step 4: Simplify right side
    28,730.98x = 666,176,249.36
  5. Step 5: Solve for x
    x = 666,176,249.36/28,730.98
  6. Step 6: Final answer
    x = 23,186.69

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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.