Home / 28,829.02-43,217.90-15,509.17

Finding the Fourth Proportional to 28,829.02, 43,217.90 and 15,509.17

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Solution

The fourth proportional to 28,829.02, 43,217.90 and 15,509.17 is: 23,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.02 : 43,217.90 = 15,509.17 : x
  2. Step 2: Convert to fraction form
    28,829.02/43,217.90 = 15,509.17/x
  3. Step 3: Cross multiply
    28,829.02x = 43,217.90 × 15,509.17
  4. Step 4: Simplify right side
    28,829.02x = 670,273,464.51
  5. Step 5: Solve for x
    x = 670,273,464.51/28,829.02
  6. Step 6: Final answer
    x = 23,249.96

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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.