Home / 28,392.48-39,166.20-17,779.92

Finding the Fourth Proportional to 28,392.48, 39,166.20 and 17,779.92

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Solution

The fourth proportional to 28,392.48, 39,166.20 and 17,779.92 is: 24,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.48 : 39,166.20 = 17,779.92 : x
  2. Step 2: Convert to fraction form
    28,392.48/39,166.20 = 17,779.92/x
  3. Step 3: Cross multiply
    28,392.48x = 39,166.20 × 17,779.92
  4. Step 4: Simplify right side
    28,392.48x = 696,371,902.70
  5. Step 5: Solve for x
    x = 696,371,902.70/28,392.48
  6. Step 6: Final answer
    x = 24,526.63

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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.