Home / 28,710.48-43,039.72-10,238.16

Finding the Fourth Proportional to 28,710.48, 43,039.72 and 10,238.16

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Solution

The fourth proportional to 28,710.48, 43,039.72 and 10,238.16 is: 15,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710.48 : 43,039.72 = 10,238.16 : x
  2. Step 2: Convert to fraction form
    28,710.48/43,039.72 = 10,238.16/x
  3. Step 3: Cross multiply
    28,710.48x = 43,039.72 × 10,238.16
  4. Step 4: Simplify right side
    28,710.48x = 440,647,539.72
  5. Step 5: Solve for x
    x = 440,647,539.72/28,710.48
  6. Step 6: Final answer
    x = 15,347.97

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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.