Home / 29,281.15-40,407.50-15,852.29

Finding the Fourth Proportional to 29,281.15, 40,407.50 and 15,852.29

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Solution

The fourth proportional to 29,281.15, 40,407.50 and 15,852.29 is: 21,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,281.15 : 40,407.50 = 15,852.29 : x
  2. Step 2: Convert to fraction form
    29,281.15/40,407.50 = 15,852.29/x
  3. Step 3: Cross multiply
    29,281.15x = 40,407.50 × 15,852.29
  4. Step 4: Simplify right side
    29,281.15x = 640,551,408.18
  5. Step 5: Solve for x
    x = 640,551,408.18/29,281.15
  6. Step 6: Final answer
    x = 21,875.90

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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.