Home / 28,759.07-43,138.93-10,039.13

Finding the Fourth Proportional to 28,759.07, 43,138.93 and 10,039.13

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Solution

The fourth proportional to 28,759.07, 43,138.93 and 10,039.13 is: 15,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.07 : 43,138.93 = 10,039.13 : x
  2. Step 2: Convert to fraction form
    28,759.07/43,138.93 = 10,039.13/x
  3. Step 3: Cross multiply
    28,759.07x = 43,138.93 × 10,039.13
  4. Step 4: Simplify right side
    28,759.07x = 433,077,326.33
  5. Step 5: Solve for x
    x = 433,077,326.33/28,759.07
  6. Step 6: Final answer
    x = 15,058.81

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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.