Home / 28,449.21-39,256.92-16,510.23

Finding the Fourth Proportional to 28,449.21, 39,256.92 and 16,510.23

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Solution

The fourth proportional to 28,449.21, 39,256.92 and 16,510.23 is: 22,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.21 : 39,256.92 = 16,510.23 : x
  2. Step 2: Convert to fraction form
    28,449.21/39,256.92 = 16,510.23/x
  3. Step 3: Cross multiply
    28,449.21x = 39,256.92 × 16,510.23
  4. Step 4: Simplify right side
    28,449.21x = 648,140,778.29
  5. Step 5: Solve for x
    x = 648,140,778.29/28,449.21
  6. Step 6: Final answer
    x = 22,782.38

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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.