Home / 28,935.32-43,373.21-13,151.33

Finding the Fourth Proportional to 28,935.32, 43,373.21 and 13,151.33

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Solution

The fourth proportional to 28,935.32, 43,373.21 and 13,151.33 is: 19,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.32 : 43,373.21 = 13,151.33 : x
  2. Step 2: Convert to fraction form
    28,935.32/43,373.21 = 13,151.33/x
  3. Step 3: Cross multiply
    28,935.32x = 43,373.21 × 13,151.33
  4. Step 4: Simplify right side
    28,935.32x = 570,415,397.87
  5. Step 5: Solve for x
    x = 570,415,397.87/28,935.32
  6. Step 6: Final answer
    x = 19,713.46

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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.