Home / 27,838.26-38,415.69-15,263.01

Finding the Fourth Proportional to 27,838.26, 38,415.69 and 15,263.01

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Solution

The fourth proportional to 27,838.26, 38,415.69 and 15,263.01 is: 21,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,838.26 : 38,415.69 = 15,263.01 : x
  2. Step 2: Convert to fraction form
    27,838.26/38,415.69 = 15,263.01/x
  3. Step 3: Cross multiply
    27,838.26x = 38,415.69 × 15,263.01
  4. Step 4: Simplify right side
    27,838.26x = 586,339,060.63
  5. Step 5: Solve for x
    x = 586,339,060.63/27,838.26
  6. Step 6: Final answer
    x = 21,062.35

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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.