Home / 28,233.93-38,962.86-15,658.77

Finding the Fourth Proportional to 28,233.93, 38,962.86 and 15,658.77

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Solution

The fourth proportional to 28,233.93, 38,962.86 and 15,658.77 is: 21,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.93 : 38,962.86 = 15,658.77 : x
  2. Step 2: Convert to fraction form
    28,233.93/38,962.86 = 15,658.77/x
  3. Step 3: Cross multiply
    28,233.93x = 38,962.86 × 15,658.77
  4. Step 4: Simplify right side
    28,233.93x = 610,110,463.28
  5. Step 5: Solve for x
    x = 610,110,463.28/28,233.93
  6. Step 6: Final answer
    x = 21,609.12

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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.