Home / 17,278.74-25,783.29-15,417.05

Finding the Fourth Proportional to 17,278.74, 25,783.29 and 15,417.05

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Solution

The fourth proportional to 17,278.74, 25,783.29 and 15,417.05 is: 23,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.74 : 25,783.29 = 15,417.05 : x
  2. Step 2: Convert to fraction form
    17,278.74/25,783.29 = 15,417.05/x
  3. Step 3: Cross multiply
    17,278.74x = 25,783.29 × 15,417.05
  4. Step 4: Simplify right side
    17,278.74x = 397,502,271.09
  5. Step 5: Solve for x
    x = 397,502,271.09/17,278.74
  6. Step 6: Final answer
    x = 23,005.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.