Home / 25,519.90-38,284.44-10,518.67

Finding the Fourth Proportional to 25,519.90, 38,284.44 and 10,518.67

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Solution

The fourth proportional to 25,519.90, 38,284.44 and 10,518.67 is: 15,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.90 : 38,284.44 = 10,518.67 : x
  2. Step 2: Convert to fraction form
    25,519.90/38,284.44 = 10,518.67/x
  3. Step 3: Cross multiply
    25,519.90x = 38,284.44 × 10,518.67
  4. Step 4: Simplify right side
    25,519.90x = 402,701,390.49
  5. Step 5: Solve for x
    x = 402,701,390.49/25,519.90
  6. Step 6: Final answer
    x = 15,779.90

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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.