Home / 27,457.22-37,864.56-22,660.40

Finding the Fourth Proportional to 27,457.22, 37,864.56 and 22,660.40

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Solution

The fourth proportional to 27,457.22, 37,864.56 and 22,660.40 is: 31,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.22 : 37,864.56 = 22,660.40 : x
  2. Step 2: Convert to fraction form
    27,457.22/37,864.56 = 22,660.40/x
  3. Step 3: Cross multiply
    27,457.22x = 37,864.56 × 22,660.40
  4. Step 4: Simplify right side
    27,457.22x = 858,026,075.42
  5. Step 5: Solve for x
    x = 858,026,075.42/27,457.22
  6. Step 6: Final answer
    x = 31,249.56

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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.