Home / 21,038.96-31,563.48-14,468.24

Finding the Fourth Proportional to 21,038.96, 31,563.48 and 14,468.24

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Solution

The fourth proportional to 21,038.96, 31,563.48 and 14,468.24 is: 21,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038.96 : 31,563.48 = 14,468.24 : x
  2. Step 2: Convert to fraction form
    21,038.96/31,563.48 = 14,468.24/x
  3. Step 3: Cross multiply
    21,038.96x = 31,563.48 × 14,468.24
  4. Step 4: Simplify right side
    21,038.96x = 456,668,003.88
  5. Step 5: Solve for x
    x = 456,668,003.88/21,038.96
  6. Step 6: Final answer
    x = 21,705.83

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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.