Home / 28,012.64-38,656.04-16,075.67

Finding the Fourth Proportional to 28,012.64, 38,656.04 and 16,075.67

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Solution

The fourth proportional to 28,012.64, 38,656.04 and 16,075.67 is: 22,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.64 : 38,656.04 = 16,075.67 : x
  2. Step 2: Convert to fraction form
    28,012.64/38,656.04 = 16,075.67/x
  3. Step 3: Cross multiply
    28,012.64x = 38,656.04 × 16,075.67
  4. Step 4: Simplify right side
    28,012.64x = 621,421,468.89
  5. Step 5: Solve for x
    x = 621,421,468.89/28,012.64
  6. Step 6: Final answer
    x = 22,183.61

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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.