Home / 29,002.21-40,011.05-18,927.02

Finding the Fourth Proportional to 29,002.21, 40,011.05 and 18,927.02

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Solution

The fourth proportional to 29,002.21, 40,011.05 and 18,927.02 is: 26,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.21 : 40,011.05 = 18,927.02 : x
  2. Step 2: Convert to fraction form
    29,002.21/40,011.05 = 18,927.02/x
  3. Step 3: Cross multiply
    29,002.21x = 40,011.05 × 18,927.02
  4. Step 4: Simplify right side
    29,002.21x = 757,289,943.57
  5. Step 5: Solve for x
    x = 757,289,943.57/29,002.21
  6. Step 6: Final answer
    x = 26,111.46

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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.