Home / 28,309.28-42,464.01-8,588.00

Finding the Fourth Proportional to 28,309.28, 42,464.01 and 8,588.00

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Solution

The fourth proportional to 28,309.28, 42,464.01 and 8,588.00 is: 12,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309.28 : 42,464.01 = 8,588.00 : x
  2. Step 2: Convert to fraction form
    28,309.28/42,464.01 = 8,588.00/x
  3. Step 3: Cross multiply
    28,309.28x = 42,464.01 × 8,588.00
  4. Step 4: Simplify right side
    28,309.28x = 364,681,056.25
  5. Step 5: Solve for x
    x = 364,681,056.25/28,309.28
  6. Step 6: Final answer
    x = 12,882.03

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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.