Home / 38,927.95-53,720.57-21,022.96

Finding the Fourth Proportional to 38,927.95, 53,720.57 and 21,022.96

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Solution

The fourth proportional to 38,927.95, 53,720.57 and 21,022.96 is: 29,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.95 : 53,720.57 = 21,022.96 : x
  2. Step 2: Convert to fraction form
    38,927.95/53,720.57 = 21,022.96/x
  3. Step 3: Cross multiply
    38,927.95x = 53,720.57 × 21,022.96
  4. Step 4: Simplify right side
    38,927.95x = 1,129,365,446.84
  5. Step 5: Solve for x
    x = 1,129,365,446.84/38,927.95
  6. Step 6: Final answer
    x = 29,011.68

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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.