Home / 21,292.96-31,968.88-14,702.88

Finding the Fourth Proportional to 21,292.96, 31,968.88 and 14,702.88

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Solution

The fourth proportional to 21,292.96, 31,968.88 and 14,702.88 is: 22,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.96 : 31,968.88 = 14,702.88 : x
  2. Step 2: Convert to fraction form
    21,292.96/31,968.88 = 14,702.88/x
  3. Step 3: Cross multiply
    21,292.96x = 31,968.88 × 14,702.88
  4. Step 4: Simplify right side
    21,292.96x = 470,034,606.37
  5. Step 5: Solve for x
    x = 470,034,606.37/21,292.96
  6. Step 6: Final answer
    x = 22,074.65

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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.