Home / 29,282.40-40,409.73-15,853.77

Finding the Fourth Proportional to 29,282.40, 40,409.73 and 15,853.77

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Solution

The fourth proportional to 29,282.40, 40,409.73 and 15,853.77 is: 21,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.40 : 40,409.73 = 15,853.77 : x
  2. Step 2: Convert to fraction form
    29,282.40/40,409.73 = 15,853.77/x
  3. Step 3: Cross multiply
    29,282.40x = 40,409.73 × 15,853.77
  4. Step 4: Simplify right side
    29,282.40x = 640,646,565.18
  5. Step 5: Solve for x
    x = 640,646,565.18/29,282.40
  6. Step 6: Final answer
    x = 21,878.21

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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.