Home / 28,837.20-43,238.32-14,031.20

Finding the Fourth Proportional to 28,837.20, 43,238.32 and 14,031.20

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Solution

The fourth proportional to 28,837.20, 43,238.32 and 14,031.20 is: 21,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.20 : 43,238.32 = 14,031.20 : x
  2. Step 2: Convert to fraction form
    28,837.20/43,238.32 = 14,031.20/x
  3. Step 3: Cross multiply
    28,837.20x = 43,238.32 × 14,031.20
  4. Step 4: Simplify right side
    28,837.20x = 606,685,515.58
  5. Step 5: Solve for x
    x = 606,685,515.58/28,837.20
  6. Step 6: Final answer
    x = 21,038.29

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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.