Home / 25,121.56-37,646.65-18,495.76

Finding the Fourth Proportional to 25,121.56, 37,646.65 and 18,495.76

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Solution

The fourth proportional to 25,121.56, 37,646.65 and 18,495.76 is: 27,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.56 : 37,646.65 = 18,495.76 : x
  2. Step 2: Convert to fraction form
    25,121.56/37,646.65 = 18,495.76/x
  3. Step 3: Cross multiply
    25,121.56x = 37,646.65 × 18,495.76
  4. Step 4: Simplify right side
    25,121.56x = 696,303,403.20
  5. Step 5: Solve for x
    x = 696,303,403.20/25,121.56
  6. Step 6: Final answer
    x = 27,717.36

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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.