Home / 27,621.19-38,117.24-15,045.94

Finding the Fourth Proportional to 27,621.19, 38,117.24 and 15,045.94

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Solution

The fourth proportional to 27,621.19, 38,117.24 and 15,045.94 is: 20,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.19 : 38,117.24 = 15,045.94 : x
  2. Step 2: Convert to fraction form
    27,621.19/38,117.24 = 15,045.94/x
  3. Step 3: Cross multiply
    27,621.19x = 38,117.24 × 15,045.94
  4. Step 4: Simplify right side
    27,621.19x = 573,509,706.01
  5. Step 5: Solve for x
    x = 573,509,706.01/27,621.19
  6. Step 6: Final answer
    x = 20,763.40

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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.