Home / 28,926.71-39,907.08-18,851.48

Finding the Fourth Proportional to 28,926.71, 39,907.08 and 18,851.48

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Solution

The fourth proportional to 28,926.71, 39,907.08 and 18,851.48 is: 26,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.71 : 39,907.08 = 18,851.48 : x
  2. Step 2: Convert to fraction form
    28,926.71/39,907.08 = 18,851.48/x
  3. Step 3: Cross multiply
    28,926.71x = 39,907.08 × 18,851.48
  4. Step 4: Simplify right side
    28,926.71x = 752,307,520.48
  5. Step 5: Solve for x
    x = 752,307,520.48/28,926.71
  6. Step 6: Final answer
    x = 26,007.37

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1.5x scale

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.