Home / 27,525.36-37,985.76-15,590.48

Finding the Fourth Proportional to 27,525.36, 37,985.76 and 15,590.48

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Solution

The fourth proportional to 27,525.36, 37,985.76 and 15,590.48 is: 21,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,525.36 : 37,985.76 = 15,590.48 : x
  2. Step 2: Convert to fraction form
    27,525.36/37,985.76 = 15,590.48/x
  3. Step 3: Cross multiply
    27,525.36x = 37,985.76 × 15,590.48
  4. Step 4: Simplify right side
    27,525.36x = 592,216,231.56
  5. Step 5: Solve for x
    x = 592,216,231.56/27,525.36
  6. Step 6: Final answer
    x = 21,515.29

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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.