Home / 28,853.07-39,817.29-16,277.82

Finding the Fourth Proportional to 28,853.07, 39,817.29 and 16,277.82

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Solution

The fourth proportional to 28,853.07, 39,817.29 and 16,277.82 is: 22,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.07 : 39,817.29 = 16,277.82 : x
  2. Step 2: Convert to fraction form
    28,853.07/39,817.29 = 16,277.82/x
  3. Step 3: Cross multiply
    28,853.07x = 39,817.29 × 16,277.82
  4. Step 4: Simplify right side
    28,853.07x = 648,138,679.51
  5. Step 5: Solve for x
    x = 648,138,679.51/28,853.07
  6. Step 6: Final answer
    x = 22,463.42

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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.