Home / 27,210.98-40,777.52-15,500.00

Finding the Fourth Proportional to 27,210.98, 40,777.52 and 15,500.00

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Solution

The fourth proportional to 27,210.98, 40,777.52 and 15,500.00 is: 23,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.98 : 40,777.52 = 15,500.00 : x
  2. Step 2: Convert to fraction form
    27,210.98/40,777.52 = 15,500.00/x
  3. Step 3: Cross multiply
    27,210.98x = 40,777.52 × 15,500.00
  4. Step 4: Simplify right side
    27,210.98x = 632,051,394.86
  5. Step 5: Solve for x
    x = 632,051,394.86/27,210.98
  6. Step 6: Final answer
    x = 23,227.81

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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.