Home / 28,927.16-39,907.68-18,851.93

Finding the Fourth Proportional to 28,927.16, 39,907.68 and 18,851.93

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Solution

The fourth proportional to 28,927.16, 39,907.68 and 18,851.93 is: 26,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.16 : 39,907.68 = 18,851.93 : x
  2. Step 2: Convert to fraction form
    28,927.16/39,907.68 = 18,851.93/x
  3. Step 3: Cross multiply
    28,927.16x = 39,907.68 × 18,851.93
  4. Step 4: Simplify right side
    28,927.16x = 752,336,590.28
  5. Step 5: Solve for x
    x = 752,336,590.28/28,927.16
  6. Step 6: Final answer
    x = 26,007.97

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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.