Home / 27,156.98-40,730.76-7,430.85

Finding the Fourth Proportional to 27,156.98, 40,730.76 and 7,430.85

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Solution

The fourth proportional to 27,156.98, 40,730.76 and 7,430.85 is: 11,144.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.98 : 40,730.76 = 7,430.85 : x
  2. Step 2: Convert to fraction form
    27,156.98/40,730.76 = 7,430.85/x
  3. Step 3: Cross multiply
    27,156.98x = 40,730.76 × 7,430.85
  4. Step 4: Simplify right side
    27,156.98x = 302,664,167.95
  5. Step 5: Solve for x
    x = 302,664,167.95/27,156.98
  6. Step 6: Final answer
    x = 11,144.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.