Home / 28,485.69-42,645.51-16,603.13

Finding the Fourth Proportional to 28,485.69, 42,645.51 and 16,603.13

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Solution

The fourth proportional to 28,485.69, 42,645.51 and 16,603.13 is: 24,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,485.69 : 42,645.51 = 16,603.13 : x
  2. Step 2: Convert to fraction form
    28,485.69/42,645.51 = 16,603.13/x
  3. Step 3: Cross multiply
    28,485.69x = 42,645.51 × 16,603.13
  4. Step 4: Simplify right side
    28,485.69x = 708,048,733.22
  5. Step 5: Solve for x
    x = 708,048,733.22/28,485.69
  6. Step 6: Final answer
    x = 24,856.30

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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.