Home / 25,621.56-38,446.74-13,935.60

Finding the Fourth Proportional to 25,621.56, 38,446.74 and 13,935.60

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Solution

The fourth proportional to 25,621.56, 38,446.74 and 13,935.60 is: 20,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.56 : 38,446.74 = 13,935.60 : x
  2. Step 2: Convert to fraction form
    25,621.56/38,446.74 = 13,935.60/x
  3. Step 3: Cross multiply
    25,621.56x = 38,446.74 × 13,935.60
  4. Step 4: Simplify right side
    25,621.56x = 535,778,389.94
  5. Step 5: Solve for x
    x = 535,778,389.94/25,621.56
  6. Step 6: Final answer
    x = 20,911.23

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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.