Home / 28,037.71-38,687.60-16,706.93

Finding the Fourth Proportional to 28,037.71, 38,687.60 and 16,706.93

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Solution

The fourth proportional to 28,037.71, 38,687.60 and 16,706.93 is: 23,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.71 : 38,687.60 = 16,706.93 : x
  2. Step 2: Convert to fraction form
    28,037.71/38,687.60 = 16,706.93/x
  3. Step 3: Cross multiply
    28,037.71x = 38,687.60 × 16,706.93
  4. Step 4: Simplify right side
    28,037.71x = 646,350,873.40
  5. Step 5: Solve for x
    x = 646,350,873.40/28,037.71
  6. Step 6: Final answer
    x = 23,052.91

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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.