Home / 25,518.21-35,215.10-14,187.35

Finding the Fourth Proportional to 25,518.21, 35,215.10 and 14,187.35

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Solution

The fourth proportional to 25,518.21, 35,215.10 and 14,187.35 is: 19,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.21 : 35,215.10 = 14,187.35 : x
  2. Step 2: Convert to fraction form
    25,518.21/35,215.10 = 14,187.35/x
  3. Step 3: Cross multiply
    25,518.21x = 35,215.10 × 14,187.35
  4. Step 4: Simplify right side
    25,518.21x = 499,609,099.09
  5. Step 5: Solve for x
    x = 499,609,099.09/25,518.21
  6. Step 6: Final answer
    x = 19,578.53

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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.