Home / 25,537.36-35,242.40-15,467.68

Finding the Fourth Proportional to 25,537.36, 35,242.40 and 15,467.68

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Solution

The fourth proportional to 25,537.36, 35,242.40 and 15,467.68 is: 21,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,537.36 : 35,242.40 = 15,467.68 : x
  2. Step 2: Convert to fraction form
    25,537.36/35,242.40 = 15,467.68/x
  3. Step 3: Cross multiply
    25,537.36x = 35,242.40 × 15,467.68
  4. Step 4: Simplify right side
    25,537.36x = 545,118,165.63
  5. Step 5: Solve for x
    x = 545,118,165.63/25,537.36
  6. Step 6: Final answer
    x = 21,345.91

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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.