Home / 28,965.51-43,464.68-15,638.32

Finding the Fourth Proportional to 28,965.51, 43,464.68 and 15,638.32

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Solution

The fourth proportional to 28,965.51, 43,464.68 and 15,638.32 is: 23,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965.51 : 43,464.68 = 15,638.32 : x
  2. Step 2: Convert to fraction form
    28,965.51/43,464.68 = 15,638.32/x
  3. Step 3: Cross multiply
    28,965.51x = 43,464.68 × 15,638.32
  4. Step 4: Simplify right side
    28,965.51x = 679,714,574.54
  5. Step 5: Solve for x
    x = 679,714,574.54/28,965.51
  6. Step 6: Final answer
    x = 23,466.35

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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.