Home / 28,151.01-42,196.14-18,297.36

Finding the Fourth Proportional to 28,151.01, 42,196.14 and 18,297.36

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Solution

The fourth proportional to 28,151.01, 42,196.14 and 18,297.36 is: 27,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,151.01 : 42,196.14 = 18,297.36 : x
  2. Step 2: Convert to fraction form
    28,151.01/42,196.14 = 18,297.36/x
  3. Step 3: Cross multiply
    28,151.01x = 42,196.14 × 18,297.36
  4. Step 4: Simplify right side
    28,151.01x = 772,077,964.19
  5. Step 5: Solve for x
    x = 772,077,964.19/28,151.01
  6. Step 6: Final answer
    x = 27,426.30

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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.