Home / 38,927.16-53,719.48-21,022.17

Finding the Fourth Proportional to 38,927.16, 53,719.48 and 21,022.17

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Solution

The fourth proportional to 38,927.16, 53,719.48 and 21,022.17 is: 29,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.16 : 53,719.48 = 21,022.17 : x
  2. Step 2: Convert to fraction form
    38,927.16/53,719.48 = 21,022.17/x
  3. Step 3: Cross multiply
    38,927.16x = 53,719.48 × 21,022.17
  4. Step 4: Simplify right side
    38,927.16x = 1,129,300,040.87
  5. Step 5: Solve for x
    x = 1,129,300,040.87/38,927.16
  6. Step 6: Final answer
    x = 29,010.59

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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.