Home / 28,495.94-39,323.75-15,748.56

Finding the Fourth Proportional to 28,495.94, 39,323.75 and 15,748.56

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Solution

The fourth proportional to 28,495.94, 39,323.75 and 15,748.56 is: 21,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.94 : 39,323.75 = 15,748.56 : x
  2. Step 2: Convert to fraction form
    28,495.94/39,323.75 = 15,748.56/x
  3. Step 3: Cross multiply
    28,495.94x = 39,323.75 × 15,748.56
  4. Step 4: Simplify right side
    28,495.94x = 619,292,357.56
  5. Step 5: Solve for x
    x = 619,292,357.56/28,495.94
  6. Step 6: Final answer
    x = 21,732.66

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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.