Home / 19,717.94-29,620.65-19,095.86

Finding the Fourth Proportional to 19,717.94, 29,620.65 and 19,095.86

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Solution

The fourth proportional to 19,717.94, 29,620.65 and 19,095.86 is: 28,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.94 : 29,620.65 = 19,095.86 : x
  2. Step 2: Convert to fraction form
    19,717.94/29,620.65 = 19,095.86/x
  3. Step 3: Cross multiply
    19,717.94x = 29,620.65 × 19,095.86
  4. Step 4: Simplify right side
    19,717.94x = 565,631,785.51
  5. Step 5: Solve for x
    x = 565,631,785.51/19,717.94
  6. Step 6: Final answer
    x = 28,686.15

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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.