Home / 35,320.40-52,980.60-15,588.80

Finding the Fourth Proportional to 35,320.40, 52,980.60 and 15,588.80

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Solution

The fourth proportional to 35,320.40, 52,980.60 and 15,588.80 is: 23,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.40 : 52,980.60 = 15,588.80 : x
  2. Step 2: Convert to fraction form
    35,320.40/52,980.60 = 15,588.80/x
  3. Step 3: Cross multiply
    35,320.40x = 52,980.60 × 15,588.80
  4. Step 4: Simplify right side
    35,320.40x = 825,903,977.28
  5. Step 5: Solve for x
    x = 825,903,977.28/35,320.40
  6. Step 6: Final answer
    x = 23,383.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.