Home / 27,026.74-37,312.41-20,602.90

Finding the Fourth Proportional to 27,026.74, 37,312.41 and 20,602.90

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Solution

The fourth proportional to 27,026.74, 37,312.41 and 20,602.90 is: 28,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026.74 : 37,312.41 = 20,602.90 : x
  2. Step 2: Convert to fraction form
    27,026.74/37,312.41 = 20,602.90/x
  3. Step 3: Cross multiply
    27,026.74x = 37,312.41 × 20,602.90
  4. Step 4: Simplify right side
    27,026.74x = 768,743,851.99
  5. Step 5: Solve for x
    x = 768,743,851.99/27,026.74
  6. Step 6: Final answer
    x = 28,443.82

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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.