Home / 19,042.71-26,329.11-16,678.08

Finding the Fourth Proportional to 19,042.71, 26,329.11 and 16,678.08

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Solution

The fourth proportional to 19,042.71, 26,329.11 and 16,678.08 is: 23,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.71 : 26,329.11 = 16,678.08 : x
  2. Step 2: Convert to fraction form
    19,042.71/26,329.11 = 16,678.08/x
  3. Step 3: Cross multiply
    19,042.71x = 26,329.11 × 16,678.08
  4. Step 4: Simplify right side
    19,042.71x = 439,119,002.91
  5. Step 5: Solve for x
    x = 439,119,002.91/19,042.71
  6. Step 6: Final answer
    x = 23,059.69

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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.