Home / 28,054.53-42,081.75-16,359.55

Finding the Fourth Proportional to 28,054.53, 42,081.75 and 16,359.55

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Solution

The fourth proportional to 28,054.53, 42,081.75 and 16,359.55 is: 24,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.53 : 42,081.75 = 16,359.55 : x
  2. Step 2: Convert to fraction form
    28,054.53/42,081.75 = 16,359.55/x
  3. Step 3: Cross multiply
    28,054.53x = 42,081.75 × 16,359.55
  4. Step 4: Simplify right side
    28,054.53x = 688,438,379.26
  5. Step 5: Solve for x
    x = 688,438,379.26/28,054.53
  6. Step 6: Final answer
    x = 24,539.29

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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.