Home / 38,935.47-58,189.84-28,427.63

Finding the Fourth Proportional to 38,935.47, 58,189.84 and 28,427.63

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Solution

The fourth proportional to 38,935.47, 58,189.84 and 28,427.63 is: 42,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,935.47 : 58,189.84 = 28,427.63 : x
  2. Step 2: Convert to fraction form
    38,935.47/58,189.84 = 28,427.63/x
  3. Step 3: Cross multiply
    38,935.47x = 58,189.84 × 28,427.63
  4. Step 4: Simplify right side
    38,935.47x = 1,654,199,241.28
  5. Step 5: Solve for x
    x = 1,654,199,241.28/38,935.47
  6. Step 6: Final answer
    x = 42,485.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.