Home / 19,842.88-27,381.44-14,262.72

Finding the Fourth Proportional to 19,842.88, 27,381.44 and 14,262.72

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Solution

The fourth proportional to 19,842.88, 27,381.44 and 14,262.72 is: 19,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.88 : 27,381.44 = 14,262.72 : x
  2. Step 2: Convert to fraction form
    19,842.88/27,381.44 = 14,262.72/x
  3. Step 3: Cross multiply
    19,842.88x = 27,381.44 × 14,262.72
  4. Step 4: Simplify right side
    19,842.88x = 390,533,811.92
  5. Step 5: Solve for x
    x = 390,533,811.92/19,842.88
  6. Step 6: Final answer
    x = 19,681.31

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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.