Home / 28,237.52-42,347.64-10,709.84

Finding the Fourth Proportional to 28,237.52, 42,347.64 and 10,709.84

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Solution

The fourth proportional to 28,237.52, 42,347.64 and 10,709.84 is: 16,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.52 : 42,347.64 = 10,709.84 : x
  2. Step 2: Convert to fraction form
    28,237.52/42,347.64 = 10,709.84/x
  3. Step 3: Cross multiply
    28,237.52x = 42,347.64 × 10,709.84
  4. Step 4: Simplify right side
    28,237.52x = 453,536,448.78
  5. Step 5: Solve for x
    x = 453,536,448.78/28,237.52
  6. Step 6: Final answer
    x = 16,061.48

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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.