Home / 21,269.76-31,848.89-14,995.80

Finding the Fourth Proportional to 21,269.76, 31,848.89 and 14,995.80

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Solution

The fourth proportional to 21,269.76, 31,848.89 and 14,995.80 is: 22,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.76 : 31,848.89 = 14,995.80 : x
  2. Step 2: Convert to fraction form
    21,269.76/31,848.89 = 14,995.80/x
  3. Step 3: Cross multiply
    21,269.76x = 31,848.89 × 14,995.80
  4. Step 4: Simplify right side
    21,269.76x = 477,599,584.66
  5. Step 5: Solve for x
    x = 477,599,584.66/21,269.76
  6. Step 6: Final answer
    x = 22,454.40

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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.