Home / 20,681.24-31,026.48-7,533.61

Finding the Fourth Proportional to 20,681.24, 31,026.48 and 7,533.61

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Solution

The fourth proportional to 20,681.24, 31,026.48 and 7,533.61 is: 11,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681.24 : 31,026.48 = 7,533.61 : x
  2. Step 2: Convert to fraction form
    20,681.24/31,026.48 = 7,533.61/x
  3. Step 3: Cross multiply
    20,681.24x = 31,026.48 × 7,533.61
  4. Step 4: Simplify right side
    20,681.24x = 233,741,399.99
  5. Step 5: Solve for x
    x = 233,741,399.99/20,681.24
  6. Step 6: Final answer
    x = 11,302.10

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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.