Home / 25,359.60-38,039.40-15,518.10

Finding the Fourth Proportional to 25,359.60, 38,039.40 and 15,518.10

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Solution

The fourth proportional to 25,359.60, 38,039.40 and 15,518.10 is: 23,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.60 : 38,039.40 = 15,518.10 : x
  2. Step 2: Convert to fraction form
    25,359.60/38,039.40 = 15,518.10/x
  3. Step 3: Cross multiply
    25,359.60x = 38,039.40 × 15,518.10
  4. Step 4: Simplify right side
    25,359.60x = 590,299,213.14
  5. Step 5: Solve for x
    x = 590,299,213.14/25,359.60
  6. Step 6: Final answer
    x = 23,277.15

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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.