Home / 25,558.54-38,393.70-18,210.22

Finding the Fourth Proportional to 25,558.54, 38,393.70 and 18,210.22

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Solution

The fourth proportional to 25,558.54, 38,393.70 and 18,210.22 is: 27,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.54 : 38,393.70 = 18,210.22 : x
  2. Step 2: Convert to fraction form
    25,558.54/38,393.70 = 18,210.22/x
  3. Step 3: Cross multiply
    25,558.54x = 38,393.70 × 18,210.22
  4. Step 4: Simplify right side
    25,558.54x = 699,157,559.34
  5. Step 5: Solve for x
    x = 699,157,559.34/25,558.54
  6. Step 6: Final answer
    x = 27,355.15

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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.