Home / 39,887.65-55,064.64-27,206.70

Finding the Fourth Proportional to 39,887.65, 55,064.64 and 27,206.70

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Solution

The fourth proportional to 39,887.65, 55,064.64 and 27,206.70 is: 37,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887.65 : 55,064.64 = 27,206.70 : x
  2. Step 2: Convert to fraction form
    39,887.65/55,064.64 = 27,206.70/x
  3. Step 3: Cross multiply
    39,887.65x = 55,064.64 × 27,206.70
  4. Step 4: Simplify right side
    39,887.65x = 1,498,127,141.09
  5. Step 5: Solve for x
    x = 1,498,127,141.09/39,887.65
  6. Step 6: Final answer
    x = 37,558.67

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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.