Home / 42,776.70-64,006.13-26,907.63

Finding the Fourth Proportional to 42,776.70, 64,006.13 and 26,907.63

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Solution

The fourth proportional to 42,776.70, 64,006.13 and 26,907.63 is: 40,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,776.70 : 64,006.13 = 26,907.63 : x
  2. Step 2: Convert to fraction form
    42,776.70/64,006.13 = 26,907.63/x
  3. Step 3: Cross multiply
    42,776.70x = 64,006.13 × 26,907.63
  4. Step 4: Simplify right side
    42,776.70x = 1,722,252,809.20
  5. Step 5: Solve for x
    x = 1,722,252,809.20/42,776.70
  6. Step 6: Final answer
    x = 40,261.47

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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.