Home / 28,751.23-39,677.75-16,005.07

Finding the Fourth Proportional to 28,751.23, 39,677.75 and 16,005.07

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Solution

The fourth proportional to 28,751.23, 39,677.75 and 16,005.07 is: 22,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.23 : 39,677.75 = 16,005.07 : x
  2. Step 2: Convert to fraction form
    28,751.23/39,677.75 = 16,005.07/x
  3. Step 3: Cross multiply
    28,751.23x = 39,677.75 × 16,005.07
  4. Step 4: Simplify right side
    28,751.23x = 635,045,166.19
  5. Step 5: Solve for x
    x = 635,045,166.19/28,751.23
  6. Step 6: Final answer
    x = 22,087.58

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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.