Home / 27,038.20-37,312.31-15,101.70

Finding the Fourth Proportional to 27,038.20, 37,312.31 and 15,101.70

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Solution

The fourth proportional to 27,038.20, 37,312.31 and 15,101.70 is: 20,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.20 : 37,312.31 = 15,101.70 : x
  2. Step 2: Convert to fraction form
    27,038.20/37,312.31 = 15,101.70/x
  3. Step 3: Cross multiply
    27,038.20x = 37,312.31 × 15,101.70
  4. Step 4: Simplify right side
    27,038.20x = 563,479,311.93
  5. Step 5: Solve for x
    x = 563,479,311.93/27,038.20
  6. Step 6: Final answer
    x = 20,840.12

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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.