Home / 27,379.75-37,784.10-14,804.50

Finding the Fourth Proportional to 27,379.75, 37,784.10 and 14,804.50

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Solution

The fourth proportional to 27,379.75, 37,784.10 and 14,804.50 is: 20,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.75 : 37,784.10 = 14,804.50 : x
  2. Step 2: Convert to fraction form
    27,379.75/37,784.10 = 14,804.50/x
  3. Step 3: Cross multiply
    27,379.75x = 37,784.10 × 14,804.50
  4. Step 4: Simplify right side
    27,379.75x = 559,374,708.45
  5. Step 5: Solve for x
    x = 559,374,708.45/27,379.75
  6. Step 6: Final answer
    x = 20,430.23

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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.