Home / 28,926.24-43,391.52-12,284.40

Finding the Fourth Proportional to 28,926.24, 43,391.52 and 12,284.40

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Solution

The fourth proportional to 28,926.24, 43,391.52 and 12,284.40 is: 18,427.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.24 : 43,391.52 = 12,284.40 : x
  2. Step 2: Convert to fraction form
    28,926.24/43,391.52 = 12,284.40/x
  3. Step 3: Cross multiply
    28,926.24x = 43,391.52 × 12,284.40
  4. Step 4: Simplify right side
    28,926.24x = 533,038,788.29
  5. Step 5: Solve for x
    x = 533,038,788.29/28,926.24
  6. Step 6: Final answer
    x = 18,427.52

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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.