Home / 29,285.02-40,412.95-15,855.97

Finding the Fourth Proportional to 29,285.02, 40,412.95 and 15,855.97

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Solution

The fourth proportional to 29,285.02, 40,412.95 and 15,855.97 is: 21,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,285.02 : 40,412.95 = 15,855.97 : x
  2. Step 2: Convert to fraction form
    29,285.02/40,412.95 = 15,855.97/x
  3. Step 3: Cross multiply
    29,285.02x = 40,412.95 × 15,855.97
  4. Step 4: Simplify right side
    29,285.02x = 640,786,522.81
  5. Step 5: Solve for x
    x = 640,786,522.81/29,285.02
  6. Step 6: Final answer
    x = 21,881.03

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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.