Home / 28,714.41-39,623.91-15,966.58

Finding the Fourth Proportional to 28,714.41, 39,623.91 and 15,966.58

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Solution

The fourth proportional to 28,714.41, 39,623.91 and 15,966.58 is: 22,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.41 : 39,623.91 = 15,966.58 : x
  2. Step 2: Convert to fraction form
    28,714.41/39,623.91 = 15,966.58/x
  3. Step 3: Cross multiply
    28,714.41x = 39,623.91 × 15,966.58
  4. Step 4: Simplify right side
    28,714.41x = 632,658,328.93
  5. Step 5: Solve for x
    x = 632,658,328.93/28,714.41
  6. Step 6: Final answer
    x = 22,032.78

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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.