Home / 27,480-37,918.08-15,539.52

Finding the Fourth Proportional to 27,480, 37,918.08 and 15,539.52

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Solution

The fourth proportional to 27,480, 37,918.08 and 15,539.52 is: 21,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480 : 37,918.08 = 15,539.52 : x
  2. Step 2: Convert to fraction form
    27,480/37,918.08 = 15,539.52/x
  3. Step 3: Cross multiply
    27,480x = 37,918.08 × 15,539.52
  4. Step 4: Simplify right side
    27,480x = 589,228,762.52
  5. Step 5: Solve for x
    x = 589,228,762.52/27,480
  6. Step 6: Final answer
    x = 21,442.09

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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.