Home / 27,613.68-38,107.08-15,038.16

Finding the Fourth Proportional to 27,613.68, 38,107.08 and 15,038.16

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Solution

The fourth proportional to 27,613.68, 38,107.08 and 15,038.16 is: 20,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.68 : 38,107.08 = 15,038.16 : x
  2. Step 2: Convert to fraction form
    27,613.68/38,107.08 = 15,038.16/x
  3. Step 3: Cross multiply
    27,613.68x = 38,107.08 × 15,038.16
  4. Step 4: Simplify right side
    27,613.68x = 573,060,366.17
  5. Step 5: Solve for x
    x = 573,060,366.17/27,613.68
  6. Step 6: Final answer
    x = 20,752.77

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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.