Home / 27,138.58-37,450.68-15,038.96

Finding the Fourth Proportional to 27,138.58, 37,450.68 and 15,038.96

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Solution

The fourth proportional to 27,138.58, 37,450.68 and 15,038.96 is: 20,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.58 : 37,450.68 = 15,038.96 : x
  2. Step 2: Convert to fraction form
    27,138.58/37,450.68 = 15,038.96/x
  3. Step 3: Cross multiply
    27,138.58x = 37,450.68 × 15,038.96
  4. Step 4: Simplify right side
    27,138.58x = 563,219,278.49
  5. Step 5: Solve for x
    x = 563,219,278.49/27,138.58
  6. Step 6: Final answer
    x = 20,753.45

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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.