Home / 28,717.24-43,031.88-19,322.47

Finding the Fourth Proportional to 28,717.24, 43,031.88 and 19,322.47

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Solution

The fourth proportional to 28,717.24, 43,031.88 and 19,322.47 is: 28,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.24 : 43,031.88 = 19,322.47 : x
  2. Step 2: Convert to fraction form
    28,717.24/43,031.88 = 19,322.47/x
  3. Step 3: Cross multiply
    28,717.24x = 43,031.88 × 19,322.47
  4. Step 4: Simplify right side
    28,717.24x = 831,482,210.34
  5. Step 5: Solve for x
    x = 831,482,210.34/28,717.24
  6. Step 6: Final answer
    x = 28,954.11

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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.