Home / 27,376.07-37,782.80-15,440.51

Finding the Fourth Proportional to 27,376.07, 37,782.80 and 15,440.51

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Solution

The fourth proportional to 27,376.07, 37,782.80 and 15,440.51 is: 21,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.07 : 37,782.80 = 15,440.51 : x
  2. Step 2: Convert to fraction form
    27,376.07/37,782.80 = 15,440.51/x
  3. Step 3: Cross multiply
    27,376.07x = 37,782.80 × 15,440.51
  4. Step 4: Simplify right side
    27,376.07x = 583,385,435.11
  5. Step 5: Solve for x
    x = 583,385,435.11/27,376.07
  6. Step 6: Final answer
    x = 21,310.05

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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.