Home / 27,263.79-37,600.71-18,779.45

Finding the Fourth Proportional to 27,263.79, 37,600.71 and 18,779.45

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Solution

The fourth proportional to 27,263.79, 37,600.71 and 18,779.45 is: 25,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,263.79 : 37,600.71 = 18,779.45 : x
  2. Step 2: Convert to fraction form
    27,263.79/37,600.71 = 18,779.45/x
  3. Step 3: Cross multiply
    27,263.79x = 37,600.71 × 18,779.45
  4. Step 4: Simplify right side
    27,263.79x = 706,120,394.98
  5. Step 5: Solve for x
    x = 706,120,394.98/27,263.79
  6. Step 6: Final answer
    x = 25,899.57

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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.