Home / 28,717.36-43,032.08-19,322.58

Finding the Fourth Proportional to 28,717.36, 43,032.08 and 19,322.58

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Solution

The fourth proportional to 28,717.36, 43,032.08 and 19,322.58 is: 28,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.36 : 43,032.08 = 19,322.58 : x
  2. Step 2: Convert to fraction form
    28,717.36/43,032.08 = 19,322.58/x
  3. Step 3: Cross multiply
    28,717.36x = 43,032.08 × 19,322.58
  4. Step 4: Simplify right side
    28,717.36x = 831,490,808.37
  5. Step 5: Solve for x
    x = 831,490,808.37/28,717.36
  6. Step 6: Final answer
    x = 28,954.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.