Home / 27,287.98-37,657.04-15,351.30

Finding the Fourth Proportional to 27,287.98, 37,657.04 and 15,351.30

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Solution

The fourth proportional to 27,287.98, 37,657.04 and 15,351.30 is: 21,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.98 : 37,657.04 = 15,351.30 : x
  2. Step 2: Convert to fraction form
    27,287.98/37,657.04 = 15,351.30/x
  3. Step 3: Cross multiply
    27,287.98x = 37,657.04 × 15,351.30
  4. Step 4: Simplify right side
    27,287.98x = 578,084,441.40
  5. Step 5: Solve for x
    x = 578,084,441.40/27,287.98
  6. Step 6: Final answer
    x = 21,184.58

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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.