Home / 38,115.84-52,598.08-20,887.32

Finding the Fourth Proportional to 38,115.84, 52,598.08 and 20,887.32

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Solution

The fourth proportional to 38,115.84, 52,598.08 and 20,887.32 is: 28,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.84 : 52,598.08 = 20,887.32 : x
  2. Step 2: Convert to fraction form
    38,115.84/52,598.08 = 20,887.32/x
  3. Step 3: Cross multiply
    38,115.84x = 52,598.08 × 20,887.32
  4. Step 4: Simplify right side
    38,115.84x = 1,098,632,928.35
  5. Step 5: Solve for x
    x = 1,098,632,928.35/38,115.84
  6. Step 6: Final answer
    x = 28,823.53

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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.