Home / 26,970.56-40,385.10-19,030.22

Finding the Fourth Proportional to 26,970.56, 40,385.10 and 19,030.22

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Solution

The fourth proportional to 26,970.56, 40,385.10 and 19,030.22 is: 28,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.56 : 40,385.10 = 19,030.22 : x
  2. Step 2: Convert to fraction form
    26,970.56/40,385.10 = 19,030.22/x
  3. Step 3: Cross multiply
    26,970.56x = 40,385.10 × 19,030.22
  4. Step 4: Simplify right side
    26,970.56x = 768,537,135.80
  5. Step 5: Solve for x
    x = 768,537,135.80/26,970.56
  6. Step 6: Final answer
    x = 28,495.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.