Home / 28,172.75-38,671.36-24,914.72

Finding the Fourth Proportional to 28,172.75, 38,671.36 and 24,914.72

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Solution

The fourth proportional to 28,172.75, 38,671.36 and 24,914.72 is: 34,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,172.75 : 38,671.36 = 24,914.72 : x
  2. Step 2: Convert to fraction form
    28,172.75/38,671.36 = 24,914.72/x
  3. Step 3: Cross multiply
    28,172.75x = 38,671.36 × 24,914.72
  4. Step 4: Simplify right side
    28,172.75x = 963,486,140.81
  5. Step 5: Solve for x
    x = 963,486,140.81/28,172.75
  6. Step 6: Final answer
    x = 34,199.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.