Home / 28,424.35-42,636.53-15,282.91

Finding the Fourth Proportional to 28,424.35, 42,636.53 and 15,282.91

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Solution

The fourth proportional to 28,424.35, 42,636.53 and 15,282.91 is: 22,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424.35 : 42,636.53 = 15,282.91 : x
  2. Step 2: Convert to fraction form
    28,424.35/42,636.53 = 15,282.91/x
  3. Step 3: Cross multiply
    28,424.35x = 42,636.53 × 15,282.91
  4. Step 4: Simplify right side
    28,424.35x = 651,610,250.70
  5. Step 5: Solve for x
    x = 651,610,250.70/28,424.35
  6. Step 6: Final answer
    x = 22,924.37

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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.