Home / 28,529.88-42,798.84-8,810.04

Finding the Fourth Proportional to 28,529.88, 42,798.84 and 8,810.04

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Solution

The fourth proportional to 28,529.88, 42,798.84 and 8,810.04 is: 13,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.88 : 42,798.84 = 8,810.04 : x
  2. Step 2: Convert to fraction form
    28,529.88/42,798.84 = 8,810.04/x
  3. Step 3: Cross multiply
    28,529.88x = 42,798.84 × 8,810.04
  4. Step 4: Simplify right side
    28,529.88x = 377,059,492.35
  5. Step 5: Solve for x
    x = 377,059,492.35/28,529.88
  6. Step 6: Final answer
    x = 13,216.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.