Home / 28,012.14-42,014.88-10,477.26

Finding the Fourth Proportional to 28,012.14, 42,014.88 and 10,477.26

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Solution

The fourth proportional to 28,012.14, 42,014.88 and 10,477.26 is: 15,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.14 : 42,014.88 = 10,477.26 : x
  2. Step 2: Convert to fraction form
    28,012.14/42,014.88 = 10,477.26/x
  3. Step 3: Cross multiply
    28,012.14x = 42,014.88 × 10,477.26
  4. Step 4: Simplify right side
    28,012.14x = 440,200,821.63
  5. Step 5: Solve for x
    x = 440,200,821.63/28,012.14
  6. Step 6: Final answer
    x = 15,714.64

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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.