Home / 28,673.80-39,563.40-16,097.74

Finding the Fourth Proportional to 28,673.80, 39,563.40 and 16,097.74

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Solution

The fourth proportional to 28,673.80, 39,563.40 and 16,097.74 is: 22,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.80 : 39,563.40 = 16,097.74 : x
  2. Step 2: Convert to fraction form
    28,673.80/39,563.40 = 16,097.74/x
  3. Step 3: Cross multiply
    28,673.80x = 39,563.40 × 16,097.74
  4. Step 4: Simplify right side
    28,673.80x = 636,881,326.72
  5. Step 5: Solve for x
    x = 636,881,326.72/28,673.80
  6. Step 6: Final answer
    x = 22,211.26

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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.