Home / 29,225.09-40,330.63-15,796.30

Finding the Fourth Proportional to 29,225.09, 40,330.63 and 15,796.30

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Solution

The fourth proportional to 29,225.09, 40,330.63 and 15,796.30 is: 21,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,225.09 : 40,330.63 = 15,796.30 : x
  2. Step 2: Convert to fraction form
    29,225.09/40,330.63 = 15,796.30/x
  3. Step 3: Cross multiply
    29,225.09x = 40,330.63 × 15,796.30
  4. Step 4: Simplify right side
    29,225.09x = 637,074,870.99
  5. Step 5: Solve for x
    x = 637,074,870.99/29,225.09
  6. Step 6: Final answer
    x = 21,798.90

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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.