Home / 19,780.07-27,296.39-10,827.41

Finding the Fourth Proportional to 19,780.07, 27,296.39 and 10,827.41

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Solution

The fourth proportional to 19,780.07, 27,296.39 and 10,827.41 is: 14,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780.07 : 27,296.39 = 10,827.41 : x
  2. Step 2: Convert to fraction form
    19,780.07/27,296.39 = 10,827.41/x
  3. Step 3: Cross multiply
    19,780.07x = 27,296.39 × 10,827.41
  4. Step 4: Simplify right side
    19,780.07x = 295,549,096.64
  5. Step 5: Solve for x
    x = 295,549,096.64/19,780.07
  6. Step 6: Final answer
    x = 14,941.77

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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.