Home / 28,937.24-43,408.02-12,295.40

Finding the Fourth Proportional to 28,937.24, 43,408.02 and 12,295.40

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Solution

The fourth proportional to 28,937.24, 43,408.02 and 12,295.40 is: 18,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.24 : 43,408.02 = 12,295.40 : x
  2. Step 2: Convert to fraction form
    28,937.24/43,408.02 = 12,295.40/x
  3. Step 3: Cross multiply
    28,937.24x = 43,408.02 × 12,295.40
  4. Step 4: Simplify right side
    28,937.24x = 533,718,969.11
  5. Step 5: Solve for x
    x = 533,718,969.11/28,937.24
  6. Step 6: Final answer
    x = 18,444.02

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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.