Home / 29,288.40-40,401.48-18,529.94

Finding the Fourth Proportional to 29,288.40, 40,401.48 and 18,529.94

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Solution

The fourth proportional to 29,288.40, 40,401.48 and 18,529.94 is: 25,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.40 : 40,401.48 = 18,529.94 : x
  2. Step 2: Convert to fraction form
    29,288.40/40,401.48 = 18,529.94/x
  3. Step 3: Cross multiply
    29,288.40x = 40,401.48 × 18,529.94
  4. Step 4: Simplify right side
    29,288.40x = 748,637,000.31
  5. Step 5: Solve for x
    x = 748,637,000.31/29,288.40
  6. Step 6: Final answer
    x = 25,560.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.