Home / 28,590.08-39,468-19,045.85

Finding the Fourth Proportional to 28,590.08, 39,468 and 19,045.85

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Solution

The fourth proportional to 28,590.08, 39,468 and 19,045.85 is: 26,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.08 : 39,468 = 19,045.85 : x
  2. Step 2: Convert to fraction form
    28,590.08/39,468 = 19,045.85/x
  3. Step 3: Cross multiply
    28,590.08x = 39,468 × 19,045.85
  4. Step 4: Simplify right side
    28,590.08x = 751,701,607.80
  5. Step 5: Solve for x
    x = 751,701,607.80/28,590.08
  6. Step 6: Final answer
    x = 26,292.39

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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.