Home / 38,278.64-57,343.08-25,090.76

Finding the Fourth Proportional to 38,278.64, 57,343.08 and 25,090.76

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Solution

The fourth proportional to 38,278.64, 57,343.08 and 25,090.76 is: 37,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.64 : 57,343.08 = 25,090.76 : x
  2. Step 2: Convert to fraction form
    38,278.64/57,343.08 = 25,090.76/x
  3. Step 3: Cross multiply
    38,278.64x = 57,343.08 × 25,090.76
  4. Step 4: Simplify right side
    38,278.64x = 1,438,781,457.94
  5. Step 5: Solve for x
    x = 1,438,781,457.94/38,278.64
  6. Step 6: Final answer
    x = 37,587.06

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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.