Home / 28,618.11-39,488.72-16,352.58

Finding the Fourth Proportional to 28,618.11, 39,488.72 and 16,352.58

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Solution

The fourth proportional to 28,618.11, 39,488.72 and 16,352.58 is: 22,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618.11 : 39,488.72 = 16,352.58 : x
  2. Step 2: Convert to fraction form
    28,618.11/39,488.72 = 16,352.58/x
  3. Step 3: Cross multiply
    28,618.11x = 39,488.72 × 16,352.58
  4. Step 4: Simplify right side
    28,618.11x = 645,742,519.22
  5. Step 5: Solve for x
    x = 645,742,519.22/28,618.11
  6. Step 6: Final answer
    x = 22,564.12

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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.