Home / 28,556.83-39,426.29-18,352

Finding the Fourth Proportional to 28,556.83, 39,426.29 and 18,352

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Solution

The fourth proportional to 28,556.83, 39,426.29 and 18,352 is: 25,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556.83 : 39,426.29 = 18,352 : x
  2. Step 2: Convert to fraction form
    28,556.83/39,426.29 = 18,352/x
  3. Step 3: Cross multiply
    28,556.83x = 39,426.29 × 18,352
  4. Step 4: Simplify right side
    28,556.83x = 723,551,274.08
  5. Step 5: Solve for x
    x = 723,551,274.08/28,556.83
  6. Step 6: Final answer
    x = 25,337.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.