Home / 27,790.15-38,344.29-16,454.02

Finding the Fourth Proportional to 27,790.15, 38,344.29 and 16,454.02

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Solution

The fourth proportional to 27,790.15, 38,344.29 and 16,454.02 is: 22,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.15 : 38,344.29 = 16,454.02 : x
  2. Step 2: Convert to fraction form
    27,790.15/38,344.29 = 16,454.02/x
  3. Step 3: Cross multiply
    27,790.15x = 38,344.29 × 16,454.02
  4. Step 4: Simplify right side
    27,790.15x = 630,917,714.55
  5. Step 5: Solve for x
    x = 630,917,714.55/27,790.15
  6. Step 6: Final answer
    x = 22,702.93

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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.