Home / 20,332.70-28,044.06-14,358.14

Finding the Fourth Proportional to 20,332.70, 28,044.06 and 14,358.14

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Solution

The fourth proportional to 20,332.70, 28,044.06 and 14,358.14 is: 19,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.70 : 28,044.06 = 14,358.14 : x
  2. Step 2: Convert to fraction form
    20,332.70/28,044.06 = 14,358.14/x
  3. Step 3: Cross multiply
    20,332.70x = 28,044.06 × 14,358.14
  4. Step 4: Simplify right side
    20,332.70x = 402,660,539.65
  5. Step 5: Solve for x
    x = 402,660,539.65/20,332.70
  6. Step 6: Final answer
    x = 19,803.59

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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.