Home / 28,307.40-39,066.39-16,977.33

Finding the Fourth Proportional to 28,307.40, 39,066.39 and 16,977.33

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Solution

The fourth proportional to 28,307.40, 39,066.39 and 16,977.33 is: 23,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307.40 : 39,066.39 = 16,977.33 : x
  2. Step 2: Convert to fraction form
    28,307.40/39,066.39 = 16,977.33/x
  3. Step 3: Cross multiply
    28,307.40x = 39,066.39 × 16,977.33
  4. Step 4: Simplify right side
    28,307.40x = 663,242,994.94
  5. Step 5: Solve for x
    x = 663,242,994.94/28,307.40
  6. Step 6: Final answer
    x = 23,430.02

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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.