Home / 28,303.70-42,459.60-8,583.80

Finding the Fourth Proportional to 28,303.70, 42,459.60 and 8,583.80

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Solution

The fourth proportional to 28,303.70, 42,459.60 and 8,583.80 is: 12,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.70 : 42,459.60 = 8,583.80 : x
  2. Step 2: Convert to fraction form
    28,303.70/42,459.60 = 8,583.80/x
  3. Step 3: Cross multiply
    28,303.70x = 42,459.60 × 8,583.80
  4. Step 4: Simplify right side
    28,303.70x = 364,464,714.48
  5. Step 5: Solve for x
    x = 364,464,714.48/28,303.70
  6. Step 6: Final answer
    x = 12,876.93

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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.