Home / 38,328.76-52,893.84-21,560.68

Finding the Fourth Proportional to 38,328.76, 52,893.84 and 21,560.68

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Solution

The fourth proportional to 38,328.76, 52,893.84 and 21,560.68 is: 29,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.76 : 52,893.84 = 21,560.68 : x
  2. Step 2: Convert to fraction form
    38,328.76/52,893.84 = 21,560.68/x
  3. Step 3: Cross multiply
    38,328.76x = 52,893.84 × 21,560.68
  4. Step 4: Simplify right side
    38,328.76x = 1,140,427,158.21
  5. Step 5: Solve for x
    x = 1,140,427,158.21/38,328.76
  6. Step 6: Final answer
    x = 29,753.82

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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.