Home / 28,702.11-43,054.99-7,641.81

Finding the Fourth Proportional to 28,702.11, 43,054.99 and 7,641.81

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Solution

The fourth proportional to 28,702.11, 43,054.99 and 7,641.81 is: 11,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702.11 : 43,054.99 = 7,641.81 : x
  2. Step 2: Convert to fraction form
    28,702.11/43,054.99 = 7,641.81/x
  3. Step 3: Cross multiply
    28,702.11x = 43,054.99 × 7,641.81
  4. Step 4: Simplify right side
    28,702.11x = 329,018,053.13
  5. Step 5: Solve for x
    x = 329,018,053.13/28,702.11
  6. Step 6: Final answer
    x = 11,463.20

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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.