Home / 56,871.58-85,303.92-17,428.63

Finding the Fourth Proportional to 56,871.58, 85,303.92 and 17,428.63

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Solution

The fourth proportional to 56,871.58, 85,303.92 and 17,428.63 is: 26,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,871.58 : 85,303.92 = 17,428.63 : x
  2. Step 2: Convert to fraction form
    56,871.58/85,303.92 = 17,428.63/x
  3. Step 3: Cross multiply
    56,871.58x = 85,303.92 × 17,428.63
  4. Step 4: Simplify right side
    56,871.58x = 1,486,730,032.71
  5. Step 5: Solve for x
    x = 1,486,730,032.71/56,871.58
  6. Step 6: Final answer
    x = 26,141.88

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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.