Home / 25,828.54-35,639.02-15,220.28

Finding the Fourth Proportional to 25,828.54, 35,639.02 and 15,220.28

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Solution

The fourth proportional to 25,828.54, 35,639.02 and 15,220.28 is: 21,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.54 : 35,639.02 = 15,220.28 : x
  2. Step 2: Convert to fraction form
    25,828.54/35,639.02 = 15,220.28/x
  3. Step 3: Cross multiply
    25,828.54x = 35,639.02 × 15,220.28
  4. Step 4: Simplify right side
    25,828.54x = 542,435,863.33
  5. Step 5: Solve for x
    x = 542,435,863.33/25,828.54
  6. Step 6: Final answer
    x = 21,001.41

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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.