Home / 28,730.90-43,096.32-15,666.28

Finding the Fourth Proportional to 28,730.90, 43,096.32 and 15,666.28

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Solution

The fourth proportional to 28,730.90, 43,096.32 and 15,666.28 is: 23,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.90 : 43,096.32 = 15,666.28 : x
  2. Step 2: Convert to fraction form
    28,730.90/43,096.32 = 15,666.28/x
  3. Step 3: Cross multiply
    28,730.90x = 43,096.32 × 15,666.28
  4. Step 4: Simplify right side
    28,730.90x = 675,158,908.35
  5. Step 5: Solve for x
    x = 675,158,908.35/28,730.90
  6. Step 6: Final answer
    x = 23,499.40

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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.