Home / 20,135.22-30,153.40-16,603.62

Finding the Fourth Proportional to 20,135.22, 30,153.40 and 16,603.62

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Solution

The fourth proportional to 20,135.22, 30,153.40 and 16,603.62 is: 24,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135.22 : 30,153.40 = 16,603.62 : x
  2. Step 2: Convert to fraction form
    20,135.22/30,153.40 = 16,603.62/x
  3. Step 3: Cross multiply
    20,135.22x = 30,153.40 × 16,603.62
  4. Step 4: Simplify right side
    20,135.22x = 500,655,595.31
  5. Step 5: Solve for x
    x = 500,655,595.31/20,135.22
  6. Step 6: Final answer
    x = 24,864.67

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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.