Home / 15,865.08-23,820.93-15,585.12

Finding the Fourth Proportional to 15,865.08, 23,820.93 and 15,585.12

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Solution

The fourth proportional to 15,865.08, 23,820.93 and 15,585.12 is: 23,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.08 : 23,820.93 = 15,585.12 : x
  2. Step 2: Convert to fraction form
    15,865.08/23,820.93 = 15,585.12/x
  3. Step 3: Cross multiply
    15,865.08x = 23,820.93 × 15,585.12
  4. Step 4: Simplify right side
    15,865.08x = 371,252,052.56
  5. Step 5: Solve for x
    x = 371,252,052.56/15,865.08
  6. Step 6: Final answer
    x = 23,400.58

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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.