Home / 28,903.58-39,873.75-25,356.14

Finding the Fourth Proportional to 28,903.58, 39,873.75 and 25,356.14

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Solution

The fourth proportional to 28,903.58, 39,873.75 and 25,356.14 is: 34,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.58 : 39,873.75 = 25,356.14 : x
  2. Step 2: Convert to fraction form
    28,903.58/39,873.75 = 25,356.14/x
  3. Step 3: Cross multiply
    28,903.58x = 39,873.75 × 25,356.14
  4. Step 4: Simplify right side
    28,903.58x = 1,011,044,387.33
  5. Step 5: Solve for x
    x = 1,011,044,387.33/28,903.58
  6. Step 6: Final answer
    x = 34,979.90

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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.