Home / 20,323.74-28,036.22-14,345.94

Finding the Fourth Proportional to 20,323.74, 28,036.22 and 14,345.94

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Solution

The fourth proportional to 20,323.74, 28,036.22 and 14,345.94 is: 19,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.74 : 28,036.22 = 14,345.94 : x
  2. Step 2: Convert to fraction form
    20,323.74/28,036.22 = 14,345.94/x
  3. Step 3: Cross multiply
    20,323.74x = 28,036.22 × 14,345.94
  4. Step 4: Simplify right side
    20,323.74x = 402,205,858.22
  5. Step 5: Solve for x
    x = 402,205,858.22/20,323.74
  6. Step 6: Final answer
    x = 19,789.95

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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.