Home / 28,601.80-39,470.40-16,026.56

Finding the Fourth Proportional to 28,601.80, 39,470.40 and 16,026.56

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Solution

The fourth proportional to 28,601.80, 39,470.40 and 16,026.56 is: 22,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601.80 : 39,470.40 = 16,026.56 : x
  2. Step 2: Convert to fraction form
    28,601.80/39,470.40 = 16,026.56/x
  3. Step 3: Cross multiply
    28,601.80x = 39,470.40 × 16,026.56
  4. Step 4: Simplify right side
    28,601.80x = 632,574,733.82
  5. Step 5: Solve for x
    x = 632,574,733.82/28,601.80
  6. Step 6: Final answer
    x = 22,116.61

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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.