Home / 28,679.36-43,030.07-13,887.14

Finding the Fourth Proportional to 28,679.36, 43,030.07 and 13,887.14

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Solution

The fourth proportional to 28,679.36, 43,030.07 and 13,887.14 is: 20,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.36 : 43,030.07 = 13,887.14 : x
  2. Step 2: Convert to fraction form
    28,679.36/43,030.07 = 13,887.14/x
  3. Step 3: Cross multiply
    28,679.36x = 43,030.07 × 13,887.14
  4. Step 4: Simplify right side
    28,679.36x = 597,564,321.71
  5. Step 5: Solve for x
    x = 597,564,321.71/28,679.36
  6. Step 6: Final answer
    x = 20,836.04

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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.