Home / 19,681.96-29,517.88-5,827.72

Finding the Fourth Proportional to 19,681.96, 29,517.88 and 5,827.72

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Solution

The fourth proportional to 19,681.96, 29,517.88 and 5,827.72 is: 8,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.96 : 29,517.88 = 5,827.72 : x
  2. Step 2: Convert to fraction form
    19,681.96/29,517.88 = 5,827.72/x
  3. Step 3: Cross multiply
    19,681.96x = 29,517.88 × 5,827.72
  4. Step 4: Simplify right side
    19,681.96x = 172,021,939.63
  5. Step 5: Solve for x
    x = 172,021,939.63/19,681.96
  6. Step 6: Final answer
    x = 8,740.08

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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.