Home / 29,645.84-40,909.50-16,897.28

Finding the Fourth Proportional to 29,645.84, 40,909.50 and 16,897.28

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Solution

The fourth proportional to 29,645.84, 40,909.50 and 16,897.28 is: 23,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.84 : 40,909.50 = 16,897.28 : x
  2. Step 2: Convert to fraction form
    29,645.84/40,909.50 = 16,897.28/x
  3. Step 3: Cross multiply
    29,645.84x = 40,909.50 × 16,897.28
  4. Step 4: Simplify right side
    29,645.84x = 691,259,276.16
  5. Step 5: Solve for x
    x = 691,259,276.16/29,645.84
  6. Step 6: Final answer
    x = 23,317.24

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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.