Home / 27,297.12-37,669.57-15,360.45

Finding the Fourth Proportional to 27,297.12, 37,669.57 and 15,360.45

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Solution

The fourth proportional to 27,297.12, 37,669.57 and 15,360.45 is: 21,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,297.12 : 37,669.57 = 15,360.45 : x
  2. Step 2: Convert to fraction form
    27,297.12/37,669.57 = 15,360.45/x
  3. Step 3: Cross multiply
    27,297.12x = 37,669.57 × 15,360.45
  4. Step 4: Simplify right side
    27,297.12x = 578,621,319.76
  5. Step 5: Solve for x
    x = 578,621,319.76/27,297.12
  6. Step 6: Final answer
    x = 21,197.16

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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.