Home / 19,327.67-26,666.13-10,828.64

Finding the Fourth Proportional to 19,327.67, 26,666.13 and 10,828.64

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Solution

The fourth proportional to 19,327.67, 26,666.13 and 10,828.64 is: 14,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.67 : 26,666.13 = 10,828.64 : x
  2. Step 2: Convert to fraction form
    19,327.67/26,666.13 = 10,828.64/x
  3. Step 3: Cross multiply
    19,327.67x = 26,666.13 × 10,828.64
  4. Step 4: Simplify right side
    19,327.67x = 288,757,921.96
  5. Step 5: Solve for x
    x = 288,757,921.96/19,327.67
  6. Step 6: Final answer
    x = 14,940.13

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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.