Home / 28,211.19-38,924.55-16,875.72

Finding the Fourth Proportional to 28,211.19, 38,924.55 and 16,875.72

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Solution

The fourth proportional to 28,211.19, 38,924.55 and 16,875.72 is: 23,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.19 : 38,924.55 = 16,875.72 : x
  2. Step 2: Convert to fraction form
    28,211.19/38,924.55 = 16,875.72/x
  3. Step 3: Cross multiply
    28,211.19x = 38,924.55 × 16,875.72
  4. Step 4: Simplify right side
    28,211.19x = 656,879,806.93
  5. Step 5: Solve for x
    x = 656,879,806.93/28,211.19
  6. Step 6: Final answer
    x = 23,284.37

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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.