Home / 40,209.26-60,333.54-28,438.67

Finding the Fourth Proportional to 40,209.26, 60,333.54 and 28,438.67

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Solution

The fourth proportional to 40,209.26, 60,333.54 and 28,438.67 is: 42,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.26 : 60,333.54 = 28,438.67 : x
  2. Step 2: Convert to fraction form
    40,209.26/60,333.54 = 28,438.67/x
  3. Step 3: Cross multiply
    40,209.26x = 60,333.54 × 28,438.67
  4. Step 4: Simplify right side
    40,209.26x = 1,715,805,332.32
  5. Step 5: Solve for x
    x = 1,715,805,332.32/40,209.26
  6. Step 6: Final answer
    x = 42,671.90

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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.