Home / 17,987.68-26,992.36-14,302.72

Finding the Fourth Proportional to 17,987.68, 26,992.36 and 14,302.72

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Solution

The fourth proportional to 17,987.68, 26,992.36 and 14,302.72 is: 21,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.68 : 26,992.36 = 14,302.72 : x
  2. Step 2: Convert to fraction form
    17,987.68/26,992.36 = 14,302.72/x
  3. Step 3: Cross multiply
    17,987.68x = 26,992.36 × 14,302.72
  4. Step 4: Simplify right side
    17,987.68x = 386,064,167.22
  5. Step 5: Solve for x
    x = 386,064,167.22/17,987.68
  6. Step 6: Final answer
    x = 21,462.70

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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.