Home / 27,650.52-38,157.72-15,075.28

Finding the Fourth Proportional to 27,650.52, 38,157.72 and 15,075.28

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Solution

The fourth proportional to 27,650.52, 38,157.72 and 15,075.28 is: 20,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650.52 : 38,157.72 = 15,075.28 : x
  2. Step 2: Convert to fraction form
    27,650.52/38,157.72 = 15,075.28/x
  3. Step 3: Cross multiply
    27,650.52x = 38,157.72 × 15,075.28
  4. Step 4: Simplify right side
    27,650.52x = 575,238,313.16
  5. Step 5: Solve for x
    x = 575,238,313.16/27,650.52
  6. Step 6: Final answer
    x = 20,803.89

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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.