Home / 28,948.95-39,959.43-17,015.85

Finding the Fourth Proportional to 28,948.95, 39,959.43 and 17,015.85

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Solution

The fourth proportional to 28,948.95, 39,959.43 and 17,015.85 is: 23,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.95 : 39,959.43 = 17,015.85 : x
  2. Step 2: Convert to fraction form
    28,948.95/39,959.43 = 17,015.85/x
  3. Step 3: Cross multiply
    28,948.95x = 39,959.43 × 17,015.85
  4. Step 4: Simplify right side
    28,948.95x = 679,943,666.97
  5. Step 5: Solve for x
    x = 679,943,666.97/28,948.95
  6. Step 6: Final answer
    x = 23,487.68

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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.