Home / 29,281.81-40,408.59-15,852.82

Finding the Fourth Proportional to 29,281.81, 40,408.59 and 15,852.82

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Solution

The fourth proportional to 29,281.81, 40,408.59 and 15,852.82 is: 21,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,281.81 : 40,408.59 = 15,852.82 : x
  2. Step 2: Convert to fraction form
    29,281.81/40,408.59 = 15,852.82/x
  3. Step 3: Cross multiply
    29,281.81x = 40,408.59 × 15,852.82
  4. Step 4: Simplify right side
    29,281.81x = 640,590,103.72
  5. Step 5: Solve for x
    x = 640,590,103.72/29,281.81
  6. Step 6: Final answer
    x = 21,876.72

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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.