Home / 28,211.11-38,922.18-16,726.93

Finding the Fourth Proportional to 28,211.11, 38,922.18 and 16,726.93

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Solution

The fourth proportional to 28,211.11, 38,922.18 and 16,726.93 is: 23,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.11 : 38,922.18 = 16,726.93 : x
  2. Step 2: Convert to fraction form
    28,211.11/38,922.18 = 16,726.93/x
  3. Step 3: Cross multiply
    28,211.11x = 38,922.18 × 16,726.93
  4. Step 4: Simplify right side
    28,211.11x = 651,048,580.31
  5. Step 5: Solve for x
    x = 651,048,580.31/28,211.11
  6. Step 6: Final answer
    x = 23,077.74

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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.