Home / 29,135.60-40,209.72-16,564.40

Finding the Fourth Proportional to 29,135.60, 40,209.72 and 16,564.40

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Solution

The fourth proportional to 29,135.60, 40,209.72 and 16,564.40 is: 22,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.60 : 40,209.72 = 16,564.40 : x
  2. Step 2: Convert to fraction form
    29,135.60/40,209.72 = 16,564.40/x
  3. Step 3: Cross multiply
    29,135.60x = 40,209.72 × 16,564.40
  4. Step 4: Simplify right side
    29,135.60x = 666,049,885.97
  5. Step 5: Solve for x
    x = 666,049,885.97/29,135.60
  6. Step 6: Final answer
    x = 22,860.35

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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.