Home / 38,388.95-52,956.50-26,431.52

Finding the Fourth Proportional to 38,388.95, 52,956.50 and 26,431.52

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Solution

The fourth proportional to 38,388.95, 52,956.50 and 26,431.52 is: 36,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.95 : 52,956.50 = 26,431.52 : x
  2. Step 2: Convert to fraction form
    38,388.95/52,956.50 = 26,431.52/x
  3. Step 3: Cross multiply
    38,388.95x = 52,956.50 × 26,431.52
  4. Step 4: Simplify right side
    38,388.95x = 1,399,720,987.35
  5. Step 5: Solve for x
    x = 1,399,720,987.35/38,388.95
  6. Step 6: Final answer
    x = 36,461.56

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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.