Home / 29,037.79-40,069.72-16,289.20

Finding the Fourth Proportional to 29,037.79, 40,069.72 and 16,289.20

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Solution

The fourth proportional to 29,037.79, 40,069.72 and 16,289.20 is: 22,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,037.79 : 40,069.72 = 16,289.20 : x
  2. Step 2: Convert to fraction form
    29,037.79/40,069.72 = 16,289.20/x
  3. Step 3: Cross multiply
    29,037.79x = 40,069.72 × 16,289.20
  4. Step 4: Simplify right side
    29,037.79x = 652,703,683.02
  5. Step 5: Solve for x
    x = 652,703,683.02/29,037.79
  6. Step 6: Final answer
    x = 22,477.73

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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.