Home / 28,348.56-42,712.01-25,683.48

Finding the Fourth Proportional to 28,348.56, 42,712.01 and 25,683.48

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Solution

The fourth proportional to 28,348.56, 42,712.01 and 25,683.48 is: 38,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.56 : 42,712.01 = 25,683.48 : x
  2. Step 2: Convert to fraction form
    28,348.56/42,712.01 = 25,683.48/x
  3. Step 3: Cross multiply
    28,348.56x = 42,712.01 × 25,683.48
  4. Step 4: Simplify right side
    28,348.56x = 1,096,992,926.18
  5. Step 5: Solve for x
    x = 1,096,992,926.18/28,348.56
  6. Step 6: Final answer
    x = 38,696.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.