Home / 28,071.17-42,085.69-16,975.58

Finding the Fourth Proportional to 28,071.17, 42,085.69 and 16,975.58

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Solution

The fourth proportional to 28,071.17, 42,085.69 and 16,975.58 is: 25,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.17 : 42,085.69 = 16,975.58 : x
  2. Step 2: Convert to fraction form
    28,071.17/42,085.69 = 16,975.58/x
  3. Step 3: Cross multiply
    28,071.17x = 42,085.69 × 16,975.58
  4. Step 4: Simplify right side
    28,071.17x = 714,428,912.57
  5. Step 5: Solve for x
    x = 714,428,912.57/28,071.17
  6. Step 6: Final answer
    x = 25,450.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.