Home / 28,012.80-41,989.44-14,851.68

Finding the Fourth Proportional to 28,012.80, 41,989.44 and 14,851.68

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Solution

The fourth proportional to 28,012.80, 41,989.44 and 14,851.68 is: 22,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.80 : 41,989.44 = 14,851.68 : x
  2. Step 2: Convert to fraction form
    28,012.80/41,989.44 = 14,851.68/x
  3. Step 3: Cross multiply
    28,012.80x = 41,989.44 × 14,851.68
  4. Step 4: Simplify right side
    28,012.80x = 623,613,726.26
  5. Step 5: Solve for x
    x = 623,613,726.26/28,012.80
  6. Step 6: Final answer
    x = 22,261.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.