Home / 28,543.14-39,365.37-17,210.16

Finding the Fourth Proportional to 28,543.14, 39,365.37 and 17,210.16

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Solution

The fourth proportional to 28,543.14, 39,365.37 and 17,210.16 is: 23,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.14 : 39,365.37 = 17,210.16 : x
  2. Step 2: Convert to fraction form
    28,543.14/39,365.37 = 17,210.16/x
  3. Step 3: Cross multiply
    28,543.14x = 39,365.37 × 17,210.16
  4. Step 4: Simplify right side
    28,543.14x = 677,484,316.16
  5. Step 5: Solve for x
    x = 677,484,316.16/28,543.14
  6. Step 6: Final answer
    x = 23,735.45

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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.