Home / 38,324.72-52,887.26-21,328.50

Finding the Fourth Proportional to 38,324.72, 52,887.26 and 21,328.50

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Solution

The fourth proportional to 38,324.72, 52,887.26 and 21,328.50 is: 29,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,324.72 : 52,887.26 = 21,328.50 : x
  2. Step 2: Convert to fraction form
    38,324.72/52,887.26 = 21,328.50/x
  3. Step 3: Cross multiply
    38,324.72x = 52,887.26 × 21,328.50
  4. Step 4: Simplify right side
    38,324.72x = 1,128,005,924.91
  5. Step 5: Solve for x
    x = 1,128,005,924.91/38,324.72
  6. Step 6: Final answer
    x = 29,432.85

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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.