Home / 28,994.51-40,031.70-22,268.12

Finding the Fourth Proportional to 28,994.51, 40,031.70 and 22,268.12

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Solution

The fourth proportional to 28,994.51, 40,031.70 and 22,268.12 is: 30,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.51 : 40,031.70 = 22,268.12 : x
  2. Step 2: Convert to fraction form
    28,994.51/40,031.70 = 22,268.12/x
  3. Step 3: Cross multiply
    28,994.51x = 40,031.70 × 22,268.12
  4. Step 4: Simplify right side
    28,994.51x = 891,430,541.00
  5. Step 5: Solve for x
    x = 891,430,541.00/28,994.51
  6. Step 6: Final answer
    x = 30,744.81

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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.