Home / 38,427.92-53,030.63-21,433.27

Finding the Fourth Proportional to 38,427.92, 53,030.63 and 21,433.27

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Solution

The fourth proportional to 38,427.92, 53,030.63 and 21,433.27 is: 29,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,427.92 : 53,030.63 = 21,433.27 : x
  2. Step 2: Convert to fraction form
    38,427.92/53,030.63 = 21,433.27/x
  3. Step 3: Cross multiply
    38,427.92x = 53,030.63 × 21,433.27
  4. Step 4: Simplify right side
    38,427.92x = 1,136,619,438.74
  5. Step 5: Solve for x
    x = 1,136,619,438.74/38,427.92
  6. Step 6: Final answer
    x = 29,577.96

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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.