Home / 28,312.48-42,468.66-7,535.98

Finding the Fourth Proportional to 28,312.48, 42,468.66 and 7,535.98

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Solution

The fourth proportional to 28,312.48, 42,468.66 and 7,535.98 is: 11,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.48 : 42,468.66 = 7,535.98 : x
  2. Step 2: Convert to fraction form
    28,312.48/42,468.66 = 7,535.98/x
  3. Step 3: Cross multiply
    28,312.48x = 42,468.66 × 7,535.98
  4. Step 4: Simplify right side
    28,312.48x = 320,042,972.39
  5. Step 5: Solve for x
    x = 320,042,972.39/28,312.48
  6. Step 6: Final answer
    x = 11,303.95

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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.