Home / 28,471.71-39,309.45-25,482.36

Finding the Fourth Proportional to 28,471.71, 39,309.45 and 25,482.36

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Solution

The fourth proportional to 28,471.71, 39,309.45 and 25,482.36 is: 35,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471.71 : 39,309.45 = 25,482.36 : x
  2. Step 2: Convert to fraction form
    28,471.71/39,309.45 = 25,482.36/x
  3. Step 3: Cross multiply
    28,471.71x = 39,309.45 × 25,482.36
  4. Step 4: Simplify right side
    28,471.71x = 1,001,697,556.30
  5. Step 5: Solve for x
    x = 1,001,697,556.30/28,471.71
  6. Step 6: Final answer
    x = 35,182.21

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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.