Home / 26,809.07-36,995.78-15,478.18

Finding the Fourth Proportional to 26,809.07, 36,995.78 and 15,478.18

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Solution

The fourth proportional to 26,809.07, 36,995.78 and 15,478.18 is: 21,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.07 : 36,995.78 = 15,478.18 : x
  2. Step 2: Convert to fraction form
    26,809.07/36,995.78 = 15,478.18/x
  3. Step 3: Cross multiply
    26,809.07x = 36,995.78 × 15,478.18
  4. Step 4: Simplify right side
    26,809.07x = 572,627,288.29
  5. Step 5: Solve for x
    x = 572,627,288.29/26,809.07
  6. Step 6: Final answer
    x = 21,359.47

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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.