Home / 28,353.25-39,124.94-16,417.39

Finding the Fourth Proportional to 28,353.25, 39,124.94 and 16,417.39

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Solution

The fourth proportional to 28,353.25, 39,124.94 and 16,417.39 is: 22,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,353.25 : 39,124.94 = 16,417.39 : x
  2. Step 2: Convert to fraction form
    28,353.25/39,124.94 = 16,417.39/x
  3. Step 3: Cross multiply
    28,353.25x = 39,124.94 × 16,417.39
  4. Step 4: Simplify right side
    28,353.25x = 642,329,218.81
  5. Step 5: Solve for x
    x = 642,329,218.81/28,353.25
  6. Step 6: Final answer
    x = 22,654.52

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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.