Home / 38,002.27-52,442.10-21,005.32

Finding the Fourth Proportional to 38,002.27, 52,442.10 and 21,005.32

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Solution

The fourth proportional to 38,002.27, 52,442.10 and 21,005.32 is: 28,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.27 : 52,442.10 = 21,005.32 : x
  2. Step 2: Convert to fraction form
    38,002.27/52,442.10 = 21,005.32/x
  3. Step 3: Cross multiply
    38,002.27x = 52,442.10 × 21,005.32
  4. Step 4: Simplify right side
    38,002.27x = 1,101,563,091.97
  5. Step 5: Solve for x
    x = 1,101,563,091.97/38,002.27
  6. Step 6: Final answer
    x = 28,986.77

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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.