Home / 21,497.27-29,688.75-14,800.19

Finding the Fourth Proportional to 21,497.27, 29,688.75 and 14,800.19

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Solution

The fourth proportional to 21,497.27, 29,688.75 and 14,800.19 is: 20,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.27 : 29,688.75 = 14,800.19 : x
  2. Step 2: Convert to fraction form
    21,497.27/29,688.75 = 14,800.19/x
  3. Step 3: Cross multiply
    21,497.27x = 29,688.75 × 14,800.19
  4. Step 4: Simplify right side
    21,497.27x = 439,398,992.42
  5. Step 5: Solve for x
    x = 439,398,992.42/21,497.27
  6. Step 6: Final answer
    x = 20,439.76

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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.