Home / 28,669.80-39,557.40-16,726.32

Finding the Fourth Proportional to 28,669.80, 39,557.40 and 16,726.32

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Solution

The fourth proportional to 28,669.80, 39,557.40 and 16,726.32 is: 23,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.80 : 39,557.40 = 16,726.32 : x
  2. Step 2: Convert to fraction form
    28,669.80/39,557.40 = 16,726.32/x
  3. Step 3: Cross multiply
    28,669.80x = 39,557.40 × 16,726.32
  4. Step 4: Simplify right side
    28,669.80x = 661,649,730.77
  5. Step 5: Solve for x
    x = 661,649,730.77/28,669.80
  6. Step 6: Final answer
    x = 23,078.28

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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.