Home / 25,501.20-35,190.72-14,171.40

Finding the Fourth Proportional to 25,501.20, 35,190.72 and 14,171.40

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Solution

The fourth proportional to 25,501.20, 35,190.72 and 14,171.40 is: 19,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,501.20 : 35,190.72 = 14,171.40 : x
  2. Step 2: Convert to fraction form
    25,501.20/35,190.72 = 14,171.40/x
  3. Step 3: Cross multiply
    25,501.20x = 35,190.72 × 14,171.40
  4. Step 4: Simplify right side
    25,501.20x = 498,701,769.41
  5. Step 5: Solve for x
    x = 498,701,769.41/25,501.20
  6. Step 6: Final answer
    x = 19,556.01

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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.