Home / 27,699.08-38,215.71-16,368.90

Finding the Fourth Proportional to 27,699.08, 38,215.71 and 16,368.90

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Solution

The fourth proportional to 27,699.08, 38,215.71 and 16,368.90 is: 22,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.08 : 38,215.71 = 16,368.90 : x
  2. Step 2: Convert to fraction form
    27,699.08/38,215.71 = 16,368.90/x
  3. Step 3: Cross multiply
    27,699.08x = 38,215.71 × 16,368.90
  4. Step 4: Simplify right side
    27,699.08x = 625,549,135.42
  5. Step 5: Solve for x
    x = 625,549,135.42/27,699.08
  6. Step 6: Final answer
    x = 22,583.76

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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.