Home / 22,837.37-31,479.84-21,004.47

Finding the Fourth Proportional to 22,837.37, 31,479.84 and 21,004.47

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Solution

The fourth proportional to 22,837.37, 31,479.84 and 21,004.47 is: 28,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,837.37 : 31,479.84 = 21,004.47 : x
  2. Step 2: Convert to fraction form
    22,837.37/31,479.84 = 21,004.47/x
  3. Step 3: Cross multiply
    22,837.37x = 31,479.84 × 21,004.47
  4. Step 4: Simplify right side
    22,837.37x = 661,217,354.88
  5. Step 5: Solve for x
    x = 661,217,354.88/22,837.37
  6. Step 6: Final answer
    x = 28,953.31

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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.