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Finding the Fourth Proportional to 35,598.40, 53,347.92 and 16,871.20

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Solution

The fourth proportional to 35,598.40, 53,347.92 and 16,871.20 is: 25,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,598.40 : 53,347.92 = 16,871.20 : x
  2. Step 2: Convert to fraction form
    35,598.40/53,347.92 = 16,871.20/x
  3. Step 3: Cross multiply
    35,598.40x = 53,347.92 × 16,871.20
  4. Step 4: Simplify right side
    35,598.40x = 900,043,427.90
  5. Step 5: Solve for x
    x = 900,043,427.90/35,598.40
  6. Step 6: Final answer
    x = 25,283.26

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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.