Home / 25,450.77-35,110.35-15,375.18

Finding the Fourth Proportional to 25,450.77, 35,110.35 and 15,375.18

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Solution

The fourth proportional to 25,450.77, 35,110.35 and 15,375.18 is: 21,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.77 : 35,110.35 = 15,375.18 : x
  2. Step 2: Convert to fraction form
    25,450.77/35,110.35 = 15,375.18/x
  3. Step 3: Cross multiply
    25,450.77x = 35,110.35 × 15,375.18
  4. Step 4: Simplify right side
    25,450.77x = 539,827,951.11
  5. Step 5: Solve for x
    x = 539,827,951.11/25,450.77
  6. Step 6: Final answer
    x = 21,210.67

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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.