Home / 17,478.72-26,316.64-15,412.08

Finding the Fourth Proportional to 17,478.72, 26,316.64 and 15,412.08

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Solution

The fourth proportional to 17,478.72, 26,316.64 and 15,412.08 is: 23,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.72 : 26,316.64 = 15,412.08 : x
  2. Step 2: Convert to fraction form
    17,478.72/26,316.64 = 15,412.08/x
  3. Step 3: Cross multiply
    17,478.72x = 26,316.64 × 15,412.08
  4. Step 4: Simplify right side
    17,478.72x = 405,594,161.01
  5. Step 5: Solve for x
    x = 405,594,161.01/17,478.72
  6. Step 6: Final answer
    x = 23,205.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.