Home / 28,834.01-43,247.80-7,776.15

Finding the Fourth Proportional to 28,834.01, 43,247.80 and 7,776.15

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Solution

The fourth proportional to 28,834.01, 43,247.80 and 7,776.15 is: 11,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.01 : 43,247.80 = 7,776.15 : x
  2. Step 2: Convert to fraction form
    28,834.01/43,247.80 = 7,776.15/x
  3. Step 3: Cross multiply
    28,834.01x = 43,247.80 × 7,776.15
  4. Step 4: Simplify right side
    28,834.01x = 336,301,379.97
  5. Step 5: Solve for x
    x = 336,301,379.97/28,834.01
  6. Step 6: Final answer
    x = 11,663.36

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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.