Home / 26,877.71-37,081.64-18,479.63

Finding the Fourth Proportional to 26,877.71, 37,081.64 and 18,479.63

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Solution

The fourth proportional to 26,877.71, 37,081.64 and 18,479.63 is: 25,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.71 : 37,081.64 = 18,479.63 : x
  2. Step 2: Convert to fraction form
    26,877.71/37,081.64 = 18,479.63/x
  3. Step 3: Cross multiply
    26,877.71x = 37,081.64 × 18,479.63
  4. Step 4: Simplify right side
    26,877.71x = 685,254,709.19
  5. Step 5: Solve for x
    x = 685,254,709.19/26,877.71
  6. Step 6: Final answer
    x = 25,495.28

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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.