Home / 27,916.66-38,518.86-16,589.86

Finding the Fourth Proportional to 27,916.66, 38,518.86 and 16,589.86

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Solution

The fourth proportional to 27,916.66, 38,518.86 and 16,589.86 is: 22,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.66 : 38,518.86 = 16,589.86 : x
  2. Step 2: Convert to fraction form
    27,916.66/38,518.86 = 16,589.86/x
  3. Step 3: Cross multiply
    27,916.66x = 38,518.86 × 16,589.86
  4. Step 4: Simplify right side
    27,916.66x = 639,022,494.76
  5. Step 5: Solve for x
    x = 639,022,494.76/27,916.66
  6. Step 6: Final answer
    x = 22,890.36

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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.