Home / 28,297.08-42,435.58-8,301.02

Finding the Fourth Proportional to 28,297.08, 42,435.58 and 8,301.02

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Solution

The fourth proportional to 28,297.08, 42,435.58 and 8,301.02 is: 12,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.08 : 42,435.58 = 8,301.02 : x
  2. Step 2: Convert to fraction form
    28,297.08/42,435.58 = 8,301.02/x
  3. Step 3: Cross multiply
    28,297.08x = 42,435.58 × 8,301.02
  4. Step 4: Simplify right side
    28,297.08x = 352,258,598.29
  5. Step 5: Solve for x
    x = 352,258,598.29/28,297.08
  6. Step 6: Final answer
    x = 12,448.58

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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.