Home / 21,497.77-29,689.44-14,800.69

Finding the Fourth Proportional to 21,497.77, 29,689.44 and 14,800.69

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Solution

The fourth proportional to 21,497.77, 29,689.44 and 14,800.69 is: 20,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.77 : 29,689.44 = 14,800.69 : x
  2. Step 2: Convert to fraction form
    21,497.77/29,689.44 = 14,800.69/x
  3. Step 3: Cross multiply
    21,497.77x = 29,689.44 × 14,800.69
  4. Step 4: Simplify right side
    21,497.77x = 439,424,049.27
  5. Step 5: Solve for x
    x = 439,424,049.27/21,497.77
  6. Step 6: Final answer
    x = 20,440.45

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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.