Home / 28,966.24-43,465.80-15,639.06

Finding the Fourth Proportional to 28,966.24, 43,465.80 and 15,639.06

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Solution

The fourth proportional to 28,966.24, 43,465.80 and 15,639.06 is: 23,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.24 : 43,465.80 = 15,639.06 : x
  2. Step 2: Convert to fraction form
    28,966.24/43,465.80 = 15,639.06/x
  3. Step 3: Cross multiply
    28,966.24x = 43,465.80 × 15,639.06
  4. Step 4: Simplify right side
    28,966.24x = 679,764,283.47
  5. Step 5: Solve for x
    x = 679,764,283.47/28,966.24
  6. Step 6: Final answer
    x = 23,467.46

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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.