Home / 25,106.78-34,648.44-15,033.29

Finding the Fourth Proportional to 25,106.78, 34,648.44 and 15,033.29

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Solution

The fourth proportional to 25,106.78, 34,648.44 and 15,033.29 is: 20,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.78 : 34,648.44 = 15,033.29 : x
  2. Step 2: Convert to fraction form
    25,106.78/34,648.44 = 15,033.29/x
  3. Step 3: Cross multiply
    25,106.78x = 34,648.44 × 15,033.29
  4. Step 4: Simplify right side
    25,106.78x = 520,880,076.81
  5. Step 5: Solve for x
    x = 520,880,076.81/25,106.78
  6. Step 6: Final answer
    x = 20,746.59

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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.