Home / 28,518.30-39,365.06-16,585.38

Finding the Fourth Proportional to 28,518.30, 39,365.06 and 16,585.38

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Solution

The fourth proportional to 28,518.30, 39,365.06 and 16,585.38 is: 22,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.30 : 39,365.06 = 16,585.38 : x
  2. Step 2: Convert to fraction form
    28,518.30/39,365.06 = 16,585.38/x
  3. Step 3: Cross multiply
    28,518.30x = 39,365.06 × 16,585.38
  4. Step 4: Simplify right side
    28,518.30x = 652,884,395.90
  5. Step 5: Solve for x
    x = 652,884,395.90/28,518.30
  6. Step 6: Final answer
    x = 22,893.52

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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.