Home / 28,531.98-42,776.55-8,798.94

Finding the Fourth Proportional to 28,531.98, 42,776.55 and 8,798.94

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Solution

The fourth proportional to 28,531.98, 42,776.55 and 8,798.94 is: 13,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,531.98 : 42,776.55 = 8,798.94 : x
  2. Step 2: Convert to fraction form
    28,531.98/42,776.55 = 8,798.94/x
  3. Step 3: Cross multiply
    28,531.98x = 42,776.55 × 8,798.94
  4. Step 4: Simplify right side
    28,531.98x = 376,388,296.86
  5. Step 5: Solve for x
    x = 376,388,296.86/28,531.98
  6. Step 6: Final answer
    x = 13,191.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.