Home / 27,870.04-38,458.11-16,537.59

Finding the Fourth Proportional to 27,870.04, 38,458.11 and 16,537.59

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Solution

The fourth proportional to 27,870.04, 38,458.11 and 16,537.59 is: 22,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.04 : 38,458.11 = 16,537.59 : x
  2. Step 2: Convert to fraction form
    27,870.04/38,458.11 = 16,537.59/x
  3. Step 3: Cross multiply
    27,870.04x = 38,458.11 × 16,537.59
  4. Step 4: Simplify right side
    27,870.04x = 636,004,455.35
  5. Step 5: Solve for x
    x = 636,004,455.35/27,870.04
  6. Step 6: Final answer
    x = 22,820.36

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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.