Home / 38,289.28-52,838.64-21,522.16

Finding the Fourth Proportional to 38,289.28, 52,838.64 and 21,522.16

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Solution

The fourth proportional to 38,289.28, 52,838.64 and 21,522.16 is: 29,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.28 : 52,838.64 = 21,522.16 : x
  2. Step 2: Convert to fraction form
    38,289.28/52,838.64 = 21,522.16/x
  3. Step 3: Cross multiply
    38,289.28x = 52,838.64 × 21,522.16
  4. Step 4: Simplify right side
    38,289.28x = 1,137,201,664.26
  5. Step 5: Solve for x
    x = 1,137,201,664.26/38,289.28
  6. Step 6: Final answer
    x = 29,700.26

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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.