Home / 28,496.63-42,725.18-12,693.27

Finding the Fourth Proportional to 28,496.63, 42,725.18 and 12,693.27

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Solution

The fourth proportional to 28,496.63, 42,725.18 and 12,693.27 is: 19,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496.63 : 42,725.18 = 12,693.27 : x
  2. Step 2: Convert to fraction form
    28,496.63/42,725.18 = 12,693.27/x
  3. Step 3: Cross multiply
    28,496.63x = 42,725.18 × 12,693.27
  4. Step 4: Simplify right side
    28,496.63x = 542,322,182.07
  5. Step 5: Solve for x
    x = 542,322,182.07/28,496.63
  6. Step 6: Final answer
    x = 19,031.10

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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.