Home / 25,150.05-34,709.82-15,587.40

Finding the Fourth Proportional to 25,150.05, 34,709.82 and 15,587.40

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Solution

The fourth proportional to 25,150.05, 34,709.82 and 15,587.40 is: 21,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.05 : 34,709.82 = 15,587.40 : x
  2. Step 2: Convert to fraction form
    25,150.05/34,709.82 = 15,587.40/x
  3. Step 3: Cross multiply
    25,150.05x = 34,709.82 × 15,587.40
  4. Step 4: Simplify right side
    25,150.05x = 541,035,848.27
  5. Step 5: Solve for x
    x = 541,035,848.27/25,150.05
  6. Step 6: Final answer
    x = 21,512.32

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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.