Home / 38,392.49-52,983.27-21,396.76

Finding the Fourth Proportional to 38,392.49, 52,983.27 and 21,396.76

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Solution

The fourth proportional to 38,392.49, 52,983.27 and 21,396.76 is: 29,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,392.49 : 52,983.27 = 21,396.76 : x
  2. Step 2: Convert to fraction form
    38,392.49/52,983.27 = 21,396.76/x
  3. Step 3: Cross multiply
    38,392.49x = 52,983.27 × 21,396.76
  4. Step 4: Simplify right side
    38,392.49x = 1,133,670,312.21
  5. Step 5: Solve for x
    x = 1,133,670,312.21/38,392.49
  6. Step 6: Final answer
    x = 29,528.44

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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.