Home / 27,038.34-37,311.12-20,669.22

Finding the Fourth Proportional to 27,038.34, 37,311.12 and 20,669.22

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Solution

The fourth proportional to 27,038.34, 37,311.12 and 20,669.22 is: 28,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.34 : 37,311.12 = 20,669.22 : x
  2. Step 2: Convert to fraction form
    27,038.34/37,311.12 = 20,669.22/x
  3. Step 3: Cross multiply
    27,038.34x = 37,311.12 × 20,669.22
  4. Step 4: Simplify right side
    27,038.34x = 771,191,747.73
  5. Step 5: Solve for x
    x = 771,191,747.73/27,038.34
  6. Step 6: Final answer
    x = 28,522.16

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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.