Home / 28,741.46-43,118.67-8,752.74

Finding the Fourth Proportional to 28,741.46, 43,118.67 and 8,752.74

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Solution

The fourth proportional to 28,741.46, 43,118.67 and 8,752.74 is: 13,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.46 : 43,118.67 = 8,752.74 : x
  2. Step 2: Convert to fraction form
    28,741.46/43,118.67 = 8,752.74/x
  3. Step 3: Cross multiply
    28,741.46x = 43,118.67 × 8,752.74
  4. Step 4: Simplify right side
    28,741.46x = 377,406,292.06
  5. Step 5: Solve for x
    x = 377,406,292.06/28,741.46
  6. Step 6: Final answer
    x = 13,131.08

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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.