Home / 27,503.90-37,955.99-15,567.25

Finding the Fourth Proportional to 27,503.90, 37,955.99 and 15,567.25

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Solution

The fourth proportional to 27,503.90, 37,955.99 and 15,567.25 is: 21,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.90 : 37,955.99 = 15,567.25 : x
  2. Step 2: Convert to fraction form
    27,503.90/37,955.99 = 15,567.25/x
  3. Step 3: Cross multiply
    27,503.90x = 37,955.99 × 15,567.25
  4. Step 4: Simplify right side
    27,503.90x = 590,870,385.33
  5. Step 5: Solve for x
    x = 590,870,385.33/27,503.90
  6. Step 6: Final answer
    x = 21,483.15

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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.