Home / 25,377.36-38,109.60-15,574.20

Finding the Fourth Proportional to 25,377.36, 38,109.60 and 15,574.20

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Solution

The fourth proportional to 25,377.36, 38,109.60 and 15,574.20 is: 23,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,377.36 : 38,109.60 = 15,574.20 : x
  2. Step 2: Convert to fraction form
    25,377.36/38,109.60 = 15,574.20/x
  3. Step 3: Cross multiply
    25,377.36x = 38,109.60 × 15,574.20
  4. Step 4: Simplify right side
    25,377.36x = 593,526,532.32
  5. Step 5: Solve for x
    x = 593,526,532.32/25,377.36
  6. Step 6: Final answer
    x = 23,388.03

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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.