Home / 26,821.88-37,030.48-20,842.28

Finding the Fourth Proportional to 26,821.88, 37,030.48 and 20,842.28

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Solution

The fourth proportional to 26,821.88, 37,030.48 and 20,842.28 is: 28,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.88 : 37,030.48 = 20,842.28 : x
  2. Step 2: Convert to fraction form
    26,821.88/37,030.48 = 20,842.28/x
  3. Step 3: Cross multiply
    26,821.88x = 37,030.48 × 20,842.28
  4. Step 4: Simplify right side
    26,821.88x = 771,799,632.69
  5. Step 5: Solve for x
    x = 771,799,632.69/26,821.88
  6. Step 6: Final answer
    x = 28,775.00

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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.