Home / 28,841.85-39,802.14-16,902.18

Finding the Fourth Proportional to 28,841.85, 39,802.14 and 16,902.18

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Solution

The fourth proportional to 28,841.85, 39,802.14 and 16,902.18 is: 23,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.85 : 39,802.14 = 16,902.18 : x
  2. Step 2: Convert to fraction form
    28,841.85/39,802.14 = 16,902.18/x
  3. Step 3: Cross multiply
    28,841.85x = 39,802.14 × 16,902.18
  4. Step 4: Simplify right side
    28,841.85x = 672,742,934.67
  5. Step 5: Solve for x
    x = 672,742,934.67/28,841.85
  6. Step 6: Final answer
    x = 23,325.24

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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.