Home / 27,011.61-40,518.93-7,291.72

Finding the Fourth Proportional to 27,011.61, 40,518.93 and 7,291.72

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Solution

The fourth proportional to 27,011.61, 40,518.93 and 7,291.72 is: 10,937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.61 : 40,518.93 = 7,291.72 : x
  2. Step 2: Convert to fraction form
    27,011.61/40,518.93 = 7,291.72/x
  3. Step 3: Cross multiply
    27,011.61x = 40,518.93 × 7,291.72
  4. Step 4: Simplify right side
    27,011.61x = 295,452,770.25
  5. Step 5: Solve for x
    x = 295,452,770.25/27,011.61
  6. Step 6: Final answer
    x = 10,937.99

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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.