Home / 20,837.22-28,725.47-14,858.52

Finding the Fourth Proportional to 20,837.22, 28,725.47 and 14,858.52

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Solution

The fourth proportional to 20,837.22, 28,725.47 and 14,858.52 is: 20,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.22 : 28,725.47 = 14,858.52 : x
  2. Step 2: Convert to fraction form
    20,837.22/28,725.47 = 14,858.52/x
  3. Step 3: Cross multiply
    20,837.22x = 28,725.47 × 14,858.52
  4. Step 4: Simplify right side
    20,837.22x = 426,818,007.65
  5. Step 5: Solve for x
    x = 426,818,007.65/20,837.22
  6. Step 6: Final answer
    x = 20,483.44

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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.