Home / 28,966.51-43,466.18-15,639.32

Finding the Fourth Proportional to 28,966.51, 43,466.18 and 15,639.32

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Solution

The fourth proportional to 28,966.51, 43,466.18 and 15,639.32 is: 23,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.51 : 43,466.18 = 15,639.32 : x
  2. Step 2: Convert to fraction form
    28,966.51/43,466.18 = 15,639.32/x
  3. Step 3: Cross multiply
    28,966.51x = 43,466.18 × 15,639.32
  4. Step 4: Simplify right side
    28,966.51x = 679,781,498.20
  5. Step 5: Solve for x
    x = 679,781,498.20/28,966.51
  6. Step 6: Final answer
    x = 23,467.84

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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.