Home / 28,266.77-39,003.59-16,331.69

Finding the Fourth Proportional to 28,266.77, 39,003.59 and 16,331.69

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Solution

The fourth proportional to 28,266.77, 39,003.59 and 16,331.69 is: 22,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.77 : 39,003.59 = 16,331.69 : x
  2. Step 2: Convert to fraction form
    28,266.77/39,003.59 = 16,331.69/x
  3. Step 3: Cross multiply
    28,266.77x = 39,003.59 × 16,331.69
  4. Step 4: Simplify right side
    28,266.77x = 636,994,386.58
  5. Step 5: Solve for x
    x = 636,994,386.58/28,266.77
  6. Step 6: Final answer
    x = 22,535.10

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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.