Home / 27,626.68-38,124.86-15,690.01

Finding the Fourth Proportional to 27,626.68, 38,124.86 and 15,690.01

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Solution

The fourth proportional to 27,626.68, 38,124.86 and 15,690.01 is: 21,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,626.68 : 38,124.86 = 15,690.01 : x
  2. Step 2: Convert to fraction form
    27,626.68/38,124.86 = 15,690.01/x
  3. Step 3: Cross multiply
    27,626.68x = 38,124.86 × 15,690.01
  4. Step 4: Simplify right side
    27,626.68x = 598,179,434.65
  5. Step 5: Solve for x
    x = 598,179,434.65/27,626.68
  6. Step 6: Final answer
    x = 21,652.24

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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.