Home / 28,089.60-42,134.00-8,368.26

Finding the Fourth Proportional to 28,089.60, 42,134.00 and 8,368.26

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Solution

The fourth proportional to 28,089.60, 42,134.00 and 8,368.26 is: 12,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.60 : 42,134.00 = 8,368.26 : x
  2. Step 2: Convert to fraction form
    28,089.60/42,134.00 = 8,368.26/x
  3. Step 3: Cross multiply
    28,089.60x = 42,134.00 × 8,368.26
  4. Step 4: Simplify right side
    28,089.60x = 352,588,225.00
  5. Step 5: Solve for x
    x = 352,588,225.00/28,089.60
  6. Step 6: Final answer
    x = 12,552.27

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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.