Home / 27,355.81-41,033.72-21,124.93

Finding the Fourth Proportional to 27,355.81, 41,033.72 and 21,124.93

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Solution

The fourth proportional to 27,355.81, 41,033.72 and 21,124.93 is: 31,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.81 : 41,033.72 = 21,124.93 : x
  2. Step 2: Convert to fraction form
    27,355.81/41,033.72 = 21,124.93/x
  3. Step 3: Cross multiply
    27,355.81x = 41,033.72 × 21,124.93
  4. Step 4: Simplify right side
    27,355.81x = 866,834,412.87
  5. Step 5: Solve for x
    x = 866,834,412.87/27,355.81
  6. Step 6: Final answer
    x = 31,687.40

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1.5x scale

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.