Home / 17,472.08-23,975.86-15,888.08

Finding the Fourth Proportional to 17,472.08, 23,975.86 and 15,888.08

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Solution

The fourth proportional to 17,472.08, 23,975.86 and 15,888.08 is: 21,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.08 : 23,975.86 = 15,888.08 : x
  2. Step 2: Convert to fraction form
    17,472.08/23,975.86 = 15,888.08/x
  3. Step 3: Cross multiply
    17,472.08x = 23,975.86 × 15,888.08
  4. Step 4: Simplify right side
    17,472.08x = 380,930,381.75
  5. Step 5: Solve for x
    x = 380,930,381.75/17,472.08
  6. Step 6: Final answer
    x = 21,802.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.