Home / 27,613.53-38,106.32-15,038.28

Finding the Fourth Proportional to 27,613.53, 38,106.32 and 15,038.28

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Solution

The fourth proportional to 27,613.53, 38,106.32 and 15,038.28 is: 20,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.53 : 38,106.32 = 15,038.28 : x
  2. Step 2: Convert to fraction form
    27,613.53/38,106.32 = 15,038.28/x
  3. Step 3: Cross multiply
    27,613.53x = 38,106.32 × 15,038.28
  4. Step 4: Simplify right side
    27,613.53x = 573,053,434.74
  5. Step 5: Solve for x
    x = 573,053,434.74/27,613.53
  6. Step 6: Final answer
    x = 20,752.63

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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.