Home / 28,041.09-38,686.93-17,975.08

Finding the Fourth Proportional to 28,041.09, 38,686.93 and 17,975.08

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Solution

The fourth proportional to 28,041.09, 38,686.93 and 17,975.08 is: 24,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.09 : 38,686.93 = 17,975.08 : x
  2. Step 2: Convert to fraction form
    28,041.09/38,686.93 = 17,975.08/x
  3. Step 3: Cross multiply
    28,041.09x = 38,686.93 × 17,975.08
  4. Step 4: Simplify right side
    28,041.09x = 695,400,661.70
  5. Step 5: Solve for x
    x = 695,400,661.70/28,041.09
  6. Step 6: Final answer
    x = 24,799.34

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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.