Home / 28,346.24-39,117.78-16,407.65

Finding the Fourth Proportional to 28,346.24, 39,117.78 and 16,407.65

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Solution

The fourth proportional to 28,346.24, 39,117.78 and 16,407.65 is: 22,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.24 : 39,117.78 = 16,407.65 : x
  2. Step 2: Convert to fraction form
    28,346.24/39,117.78 = 16,407.65/x
  3. Step 3: Cross multiply
    28,346.24x = 39,117.78 × 16,407.65
  4. Step 4: Simplify right side
    28,346.24x = 641,830,647.43
  5. Step 5: Solve for x
    x = 641,830,647.43/28,346.24
  6. Step 6: Final answer
    x = 22,642.54

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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.