Home / 28,653.98-42,972.66-9,933.26

Finding the Fourth Proportional to 28,653.98, 42,972.66 and 9,933.26

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Solution

The fourth proportional to 28,653.98, 42,972.66 and 9,933.26 is: 14,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.98 : 42,972.66 = 9,933.26 : x
  2. Step 2: Convert to fraction form
    28,653.98/42,972.66 = 9,933.26/x
  3. Step 3: Cross multiply
    28,653.98x = 42,972.66 × 9,933.26
  4. Step 4: Simplify right side
    28,653.98x = 426,858,389.81
  5. Step 5: Solve for x
    x = 426,858,389.81/28,653.98
  6. Step 6: Final answer
    x = 14,897.00

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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.