Home / 28,997.51-40,035.84-22,271.12

Finding the Fourth Proportional to 28,997.51, 40,035.84 and 22,271.12

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Solution

The fourth proportional to 28,997.51, 40,035.84 and 22,271.12 is: 30,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.51 : 40,035.84 = 22,271.12 : x
  2. Step 2: Convert to fraction form
    28,997.51/40,035.84 = 22,271.12/x
  3. Step 3: Cross multiply
    28,997.51x = 40,035.84 × 22,271.12
  4. Step 4: Simplify right side
    28,997.51x = 891,642,796.76
  5. Step 5: Solve for x
    x = 891,642,796.76/28,997.51
  6. Step 6: Final answer
    x = 30,748.95

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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.