Home / 38,388.72-52,989.69-22,478.28

Finding the Fourth Proportional to 38,388.72, 52,989.69 and 22,478.28

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Solution

The fourth proportional to 38,388.72, 52,989.69 and 22,478.28 is: 31,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.72 : 52,989.69 = 22,478.28 : x
  2. Step 2: Convert to fraction form
    38,388.72/52,989.69 = 22,478.28/x
  3. Step 3: Cross multiply
    38,388.72x = 52,989.69 × 22,478.28
  4. Step 4: Simplify right side
    38,388.72x = 1,191,117,088.93
  5. Step 5: Solve for x
    x = 1,191,117,088.93/38,388.72
  6. Step 6: Final answer
    x = 31,027.79

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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.