Home / 28,303.22-42,466.48-12,499.92

Finding the Fourth Proportional to 28,303.22, 42,466.48 and 12,499.92

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Solution

The fourth proportional to 28,303.22, 42,466.48 and 12,499.92 is: 18,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.22 : 42,466.48 = 12,499.92 : x
  2. Step 2: Convert to fraction form
    28,303.22/42,466.48 = 12,499.92/x
  3. Step 3: Cross multiply
    28,303.22x = 42,466.48 × 12,499.92
  4. Step 4: Simplify right side
    28,303.22x = 530,827,571.43
  5. Step 5: Solve for x
    x = 530,827,571.43/28,303.22
  6. Step 6: Final answer
    x = 18,755.02

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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.