Home / 38,279.48-57,426.10-15,777.63

Finding the Fourth Proportional to 38,279.48, 57,426.10 and 15,777.63

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Solution

The fourth proportional to 38,279.48, 57,426.10 and 15,777.63 is: 23,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.48 : 57,426.10 = 15,777.63 : x
  2. Step 2: Convert to fraction form
    38,279.48/57,426.10 = 15,777.63/x
  3. Step 3: Cross multiply
    38,279.48x = 57,426.10 × 15,777.63
  4. Step 4: Simplify right side
    38,279.48x = 906,047,718.70
  5. Step 5: Solve for x
    x = 906,047,718.70/38,279.48
  6. Step 6: Final answer
    x = 23,669.28

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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.