Home / 38,588.84-57,901.24-13,647.76

Finding the Fourth Proportional to 38,588.84, 57,901.24 and 13,647.76

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Solution

The fourth proportional to 38,588.84, 57,901.24 and 13,647.76 is: 20,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588.84 : 57,901.24 = 13,647.76 : x
  2. Step 2: Convert to fraction form
    38,588.84/57,901.24 = 13,647.76/x
  3. Step 3: Cross multiply
    38,588.84x = 57,901.24 × 13,647.76
  4. Step 4: Simplify right side
    38,588.84x = 790,222,227.22
  5. Step 5: Solve for x
    x = 790,222,227.22/38,588.84
  6. Step 6: Final answer
    x = 20,478.00

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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.