Home / 27,650.34-38,156.85-15,075.54

Finding the Fourth Proportional to 27,650.34, 38,156.85 and 15,075.54

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Solution

The fourth proportional to 27,650.34, 38,156.85 and 15,075.54 is: 20,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650.34 : 38,156.85 = 15,075.54 : x
  2. Step 2: Convert to fraction form
    27,650.34/38,156.85 = 15,075.54/x
  3. Step 3: Cross multiply
    27,650.34x = 38,156.85 × 15,075.54
  4. Step 4: Simplify right side
    27,650.34x = 575,235,118.45
  5. Step 5: Solve for x
    x = 575,235,118.45/27,650.34
  6. Step 6: Final answer
    x = 20,803.91

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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.