Home / 28,300.50-39,052.44-16,364.61

Finding the Fourth Proportional to 28,300.50, 39,052.44 and 16,364.61

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Solution

The fourth proportional to 28,300.50, 39,052.44 and 16,364.61 is: 22,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.50 : 39,052.44 = 16,364.61 : x
  2. Step 2: Convert to fraction form
    28,300.50/39,052.44 = 16,364.61/x
  3. Step 3: Cross multiply
    28,300.50x = 39,052.44 × 16,364.61
  4. Step 4: Simplify right side
    28,300.50x = 639,077,950.15
  5. Step 5: Solve for x
    x = 639,077,950.15/28,300.50
  6. Step 6: Final answer
    x = 22,581.86

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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.