Home / 26,815.07-37,004.79-14,878.40

Finding the Fourth Proportional to 26,815.07, 37,004.79 and 14,878.40

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Solution

The fourth proportional to 26,815.07, 37,004.79 and 14,878.40 is: 20,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.07 : 37,004.79 = 14,878.40 : x
  2. Step 2: Convert to fraction form
    26,815.07/37,004.79 = 14,878.40/x
  3. Step 3: Cross multiply
    26,815.07x = 37,004.79 × 14,878.40
  4. Step 4: Simplify right side
    26,815.07x = 550,571,882.51
  5. Step 5: Solve for x
    x = 550,571,882.51/26,815.07
  6. Step 6: Final answer
    x = 20,532.19

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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.