Home / 28,303.53-39,055.77-16,365.06

Finding the Fourth Proportional to 28,303.53, 39,055.77 and 16,365.06

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Solution

The fourth proportional to 28,303.53, 39,055.77 and 16,365.06 is: 22,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.53 : 39,055.77 = 16,365.06 : x
  2. Step 2: Convert to fraction form
    28,303.53/39,055.77 = 16,365.06/x
  3. Step 3: Cross multiply
    28,303.53x = 39,055.77 × 16,365.06
  4. Step 4: Simplify right side
    28,303.53x = 639,150,019.40
  5. Step 5: Solve for x
    x = 639,150,019.40/28,303.53
  6. Step 6: Final answer
    x = 22,581.99

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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.