Home / 28,290.84-39,039.96-16,353.04

Finding the Fourth Proportional to 28,290.84, 39,039.96 and 16,353.04

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Solution

The fourth proportional to 28,290.84, 39,039.96 and 16,353.04 is: 22,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.84 : 39,039.96 = 16,353.04 : x
  2. Step 2: Convert to fraction form
    28,290.84/39,039.96 = 16,353.04/x
  3. Step 3: Cross multiply
    28,290.84x = 39,039.96 × 16,353.04
  4. Step 4: Simplify right side
    28,290.84x = 638,422,027.48
  5. Step 5: Solve for x
    x = 638,422,027.48/28,290.84
  6. Step 6: Final answer
    x = 22,566.39

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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.