Home / 35,405.04-53,140.40-17,887.20

Finding the Fourth Proportional to 35,405.04, 53,140.40 and 17,887.20

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Solution

The fourth proportional to 35,405.04, 53,140.40 and 17,887.20 is: 26,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.04 : 53,140.40 = 17,887.20 : x
  2. Step 2: Convert to fraction form
    35,405.04/53,140.40 = 17,887.20/x
  3. Step 3: Cross multiply
    35,405.04x = 53,140.40 × 17,887.20
  4. Step 4: Simplify right side
    35,405.04x = 950,532,962.88
  5. Step 5: Solve for x
    x = 950,532,962.88/35,405.04
  6. Step 6: Final answer
    x = 26,847.39

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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.