Home / 28,051.91-38,713.13-16,116.02

Finding the Fourth Proportional to 28,051.91, 38,713.13 and 16,116.02

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Solution

The fourth proportional to 28,051.91, 38,713.13 and 16,116.02 is: 22,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.91 : 38,713.13 = 16,116.02 : x
  2. Step 2: Convert to fraction form
    28,051.91/38,713.13 = 16,116.02/x
  3. Step 3: Cross multiply
    28,051.91x = 38,713.13 × 16,116.02
  4. Step 4: Simplify right side
    28,051.91x = 623,901,508.81
  5. Step 5: Solve for x
    x = 623,901,508.81/28,051.91
  6. Step 6: Final answer
    x = 22,240.96

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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.