Home / 40,464.69-60,678.83-15,487.28

Finding the Fourth Proportional to 40,464.69, 60,678.83 and 15,487.28

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Solution

The fourth proportional to 40,464.69, 60,678.83 and 15,487.28 is: 23,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,464.69 : 60,678.83 = 15,487.28 : x
  2. Step 2: Convert to fraction form
    40,464.69/60,678.83 = 15,487.28/x
  3. Step 3: Cross multiply
    40,464.69x = 60,678.83 × 15,487.28
  4. Step 4: Simplify right side
    40,464.69x = 939,749,649.45
  5. Step 5: Solve for x
    x = 939,749,649.45/40,464.69
  6. Step 6: Final answer
    x = 23,223.94

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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.