Home / 28,077.02-42,112.64-9,355.03

Finding the Fourth Proportional to 28,077.02, 42,112.64 and 9,355.03

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Solution

The fourth proportional to 28,077.02, 42,112.64 and 9,355.03 is: 14,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.02 : 42,112.64 = 9,355.03 : x
  2. Step 2: Convert to fraction form
    28,077.02/42,112.64 = 9,355.03/x
  3. Step 3: Cross multiply
    28,077.02x = 42,112.64 × 9,355.03
  4. Step 4: Simplify right side
    28,077.02x = 393,965,051.53
  5. Step 5: Solve for x
    x = 393,965,051.53/28,077.02
  6. Step 6: Final answer
    x = 14,031.58

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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.