Home / 27,026.10-37,272.69-21,718.98

Finding the Fourth Proportional to 27,026.10, 37,272.69 and 21,718.98

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Solution

The fourth proportional to 27,026.10, 37,272.69 and 21,718.98 is: 29,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026.10 : 37,272.69 = 21,718.98 : x
  2. Step 2: Convert to fraction form
    27,026.10/37,272.69 = 21,718.98/x
  3. Step 3: Cross multiply
    27,026.10x = 37,272.69 × 21,718.98
  4. Step 4: Simplify right side
    27,026.10x = 809,524,808.66
  5. Step 5: Solve for x
    x = 809,524,808.66/27,026.10
  6. Step 6: Final answer
    x = 29,953.45

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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.