Home / 28,818.56-39,762.84-17,487.79

Finding the Fourth Proportional to 28,818.56, 39,762.84 and 17,487.79

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Solution

The fourth proportional to 28,818.56, 39,762.84 and 17,487.79 is: 24,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.56 : 39,762.84 = 17,487.79 : x
  2. Step 2: Convert to fraction form
    28,818.56/39,762.84 = 17,487.79/x
  3. Step 3: Cross multiply
    28,818.56x = 39,762.84 × 17,487.79
  4. Step 4: Simplify right side
    28,818.56x = 695,364,195.72
  5. Step 5: Solve for x
    x = 695,364,195.72/28,818.56
  6. Step 6: Final answer
    x = 24,129.04

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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.