Home / 28,333.26-39,095.46-15,758.01

Finding the Fourth Proportional to 28,333.26, 39,095.46 and 15,758.01

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Solution

The fourth proportional to 28,333.26, 39,095.46 and 15,758.01 is: 21,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.26 : 39,095.46 = 15,758.01 : x
  2. Step 2: Convert to fraction form
    28,333.26/39,095.46 = 15,758.01/x
  3. Step 3: Cross multiply
    28,333.26x = 39,095.46 × 15,758.01
  4. Step 4: Simplify right side
    28,333.26x = 616,066,649.63
  5. Step 5: Solve for x
    x = 616,066,649.63/28,333.26
  6. Step 6: Final answer
    x = 21,743.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.