Home / 27,090.57-37,392.50-15,762.25

Finding the Fourth Proportional to 27,090.57, 37,392.50 and 15,762.25

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Solution

The fourth proportional to 27,090.57, 37,392.50 and 15,762.25 is: 21,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.57 : 37,392.50 = 15,762.25 : x
  2. Step 2: Convert to fraction form
    27,090.57/37,392.50 = 15,762.25/x
  3. Step 3: Cross multiply
    27,090.57x = 37,392.50 × 15,762.25
  4. Step 4: Simplify right side
    27,090.57x = 589,390,105.20
  5. Step 5: Solve for x
    x = 589,390,105.20/27,090.57
  6. Step 6: Final answer
    x = 21,756.28

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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.