Home / 56,869.58-85,301.28-17,426.81

Finding the Fourth Proportional to 56,869.58, 85,301.28 and 17,426.81

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Solution

The fourth proportional to 56,869.58, 85,301.28 and 17,426.81 is: 26,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869.58 : 85,301.28 = 17,426.81 : x
  2. Step 2: Convert to fraction form
    56,869.58/85,301.28 = 17,426.81/x
  3. Step 3: Cross multiply
    56,869.58x = 85,301.28 × 17,426.81
  4. Step 4: Simplify right side
    56,869.58x = 1,486,529,199.32
  5. Step 5: Solve for x
    x = 1,486,529,199.32/56,869.58
  6. Step 6: Final answer
    x = 26,139.27

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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.