Home / 28,887.00-39,864.32-16,950.53

Finding the Fourth Proportional to 28,887.00, 39,864.32 and 16,950.53

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Solution

The fourth proportional to 28,887.00, 39,864.32 and 16,950.53 is: 23,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.00 : 39,864.32 = 16,950.53 : x
  2. Step 2: Convert to fraction form
    28,887.00/39,864.32 = 16,950.53/x
  3. Step 3: Cross multiply
    28,887.00x = 39,864.32 × 16,950.53
  4. Step 4: Simplify right side
    28,887.00x = 675,721,430.56
  5. Step 5: Solve for x
    x = 675,721,430.56/28,887.00
  6. Step 6: Final answer
    x = 23,391.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.