Home / 28,590.88-39,456.62-16,652.32

Finding the Fourth Proportional to 28,590.88, 39,456.62 and 16,652.32

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Solution

The fourth proportional to 28,590.88, 39,456.62 and 16,652.32 is: 22,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.88 : 39,456.62 = 16,652.32 : x
  2. Step 2: Convert to fraction form
    28,590.88/39,456.62 = 16,652.32/x
  3. Step 3: Cross multiply
    28,590.88x = 39,456.62 × 16,652.32
  4. Step 4: Simplify right side
    28,590.88x = 657,044,262.36
  5. Step 5: Solve for x
    x = 657,044,262.36/28,590.88
  6. Step 6: Final answer
    x = 22,980.90

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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.