Home / 28,267.02-42,400.77-7,490.52

Finding the Fourth Proportional to 28,267.02, 42,400.77 and 7,490.52

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Solution

The fourth proportional to 28,267.02, 42,400.77 and 7,490.52 is: 11,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.02 : 42,400.77 = 7,490.52 : x
  2. Step 2: Convert to fraction form
    28,267.02/42,400.77 = 7,490.52/x
  3. Step 3: Cross multiply
    28,267.02x = 42,400.77 × 7,490.52
  4. Step 4: Simplify right side
    28,267.02x = 317,603,815.70
  5. Step 5: Solve for x
    x = 317,603,815.70/28,267.02
  6. Step 6: Final answer
    x = 11,235.84

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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.