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Finding the Fourth Proportional to 28,963, 43,473.62 and 19,572.92

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Solution

The fourth proportional to 28,963, 43,473.62 and 19,572.92 is: 29,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963 : 43,473.62 = 19,572.92 : x
  2. Step 2: Convert to fraction form
    28,963/43,473.62 = 19,572.92/x
  3. Step 3: Cross multiply
    28,963x = 43,473.62 × 19,572.92
  4. Step 4: Simplify right side
    28,963x = 850,905,686.37
  5. Step 5: Solve for x
    x = 850,905,686.37/28,963
  6. Step 6: Final answer
    x = 29,379.06

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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.