Home / 39,267.74-54,238.10-28,495.28

Finding the Fourth Proportional to 39,267.74, 54,238.10 and 28,495.28

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Solution

The fourth proportional to 39,267.74, 54,238.10 and 28,495.28 is: 39,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,267.74 : 54,238.10 = 28,495.28 : x
  2. Step 2: Convert to fraction form
    39,267.74/54,238.10 = 28,495.28/x
  3. Step 3: Cross multiply
    39,267.74x = 54,238.10 × 28,495.28
  4. Step 4: Simplify right side
    39,267.74x = 1,545,529,432.50
  5. Step 5: Solve for x
    x = 1,545,529,432.50/39,267.74
  6. Step 6: Final answer
    x = 39,358.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.