Home / 27,587.16-38,083.50-16,985.88

Finding the Fourth Proportional to 27,587.16, 38,083.50 and 16,985.88

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Solution

The fourth proportional to 27,587.16, 38,083.50 and 16,985.88 is: 23,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.16 : 38,083.50 = 16,985.88 : x
  2. Step 2: Convert to fraction form
    27,587.16/38,083.50 = 16,985.88/x
  3. Step 3: Cross multiply
    27,587.16x = 38,083.50 × 16,985.88
  4. Step 4: Simplify right side
    27,587.16x = 646,881,760.98
  5. Step 5: Solve for x
    x = 646,881,760.98/27,587.16
  6. Step 6: Final answer
    x = 23,448.65

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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.