Home / 29,280.72-40,407.71-15,852.26

Finding the Fourth Proportional to 29,280.72, 40,407.71 and 15,852.26

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Solution

The fourth proportional to 29,280.72, 40,407.71 and 15,852.26 is: 21,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.72 : 40,407.71 = 15,852.26 : x
  2. Step 2: Convert to fraction form
    29,280.72/40,407.71 = 15,852.26/x
  3. Step 3: Cross multiply
    29,280.72x = 40,407.71 × 15,852.26
  4. Step 4: Simplify right side
    29,280.72x = 640,553,322.89
  5. Step 5: Solve for x
    x = 640,553,322.89/29,280.72
  6. Step 6: Final answer
    x = 21,876.28

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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.