Home / 27,712.64-38,244.48-15,137.48

Finding the Fourth Proportional to 27,712.64, 38,244.48 and 15,137.48

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Solution

The fourth proportional to 27,712.64, 38,244.48 and 15,137.48 is: 20,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.64 : 38,244.48 = 15,137.48 : x
  2. Step 2: Convert to fraction form
    27,712.64/38,244.48 = 15,137.48/x
  3. Step 3: Cross multiply
    27,712.64x = 38,244.48 × 15,137.48
  4. Step 4: Simplify right side
    27,712.64x = 578,925,051.11
  5. Step 5: Solve for x
    x = 578,925,051.11/27,712.64
  6. Step 6: Final answer
    x = 20,890.29

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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.