Home / 21,670.61-32,444.28-14,252.76

Finding the Fourth Proportional to 21,670.61, 32,444.28 and 14,252.76

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Solution

The fourth proportional to 21,670.61, 32,444.28 and 14,252.76 is: 21,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.61 : 32,444.28 = 14,252.76 : x
  2. Step 2: Convert to fraction form
    21,670.61/32,444.28 = 14,252.76/x
  3. Step 3: Cross multiply
    21,670.61x = 32,444.28 × 14,252.76
  4. Step 4: Simplify right side
    21,670.61x = 462,420,536.21
  5. Step 5: Solve for x
    x = 462,420,536.21/21,670.61
  6. Step 6: Final answer
    x = 21,338.61

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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.