Home / 38,820.57-58,216.53-13,853.94

Finding the Fourth Proportional to 38,820.57, 58,216.53 and 13,853.94

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Solution

The fourth proportional to 38,820.57, 58,216.53 and 13,853.94 is: 20,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.57 : 58,216.53 = 13,853.94 : x
  2. Step 2: Convert to fraction form
    38,820.57/58,216.53 = 13,853.94/x
  3. Step 3: Cross multiply
    38,820.57x = 58,216.53 × 13,853.94
  4. Step 4: Simplify right side
    38,820.57x = 806,528,313.63
  5. Step 5: Solve for x
    x = 806,528,313.63/38,820.57
  6. Step 6: Final answer
    x = 20,775.80

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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.