Home / 28,049.91-38,712.30-16,113.22

Finding the Fourth Proportional to 28,049.91, 38,712.30 and 16,113.22

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Solution

The fourth proportional to 28,049.91, 38,712.30 and 16,113.22 is: 22,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.91 : 38,712.30 = 16,113.22 : x
  2. Step 2: Convert to fraction form
    28,049.91/38,712.30 = 16,113.22/x
  3. Step 3: Cross multiply
    28,049.91x = 38,712.30 × 16,113.22
  4. Step 4: Simplify right side
    28,049.91x = 623,779,894.23
  5. Step 5: Solve for x
    x = 623,779,894.23/28,049.91
  6. Step 6: Final answer
    x = 22,238.21

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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.