Home / 29,297.77-40,430.93-15,868.98

Finding the Fourth Proportional to 29,297.77, 40,430.93 and 15,868.98

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Solution

The fourth proportional to 29,297.77, 40,430.93 and 15,868.98 is: 21,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,297.77 : 40,430.93 = 15,868.98 : x
  2. Step 2: Convert to fraction form
    29,297.77/40,430.93 = 15,868.98/x
  3. Step 3: Cross multiply
    29,297.77x = 40,430.93 × 15,868.98
  4. Step 4: Simplify right side
    29,297.77x = 641,597,629.47
  5. Step 5: Solve for x
    x = 641,597,629.47/29,297.77
  6. Step 6: Final answer
    x = 21,899.20

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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.