Home / 28,890.99-39,777.58-25,485.08

Finding the Fourth Proportional to 28,890.99, 39,777.58 and 25,485.08

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Solution

The fourth proportional to 28,890.99, 39,777.58 and 25,485.08 is: 35,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.99 : 39,777.58 = 25,485.08 : x
  2. Step 2: Convert to fraction form
    28,890.99/39,777.58 = 25,485.08/x
  3. Step 3: Cross multiply
    28,890.99x = 39,777.58 × 25,485.08
  4. Step 4: Simplify right side
    28,890.99x = 1,013,734,695.07
  5. Step 5: Solve for x
    x = 1,013,734,695.07/28,890.99
  6. Step 6: Final answer
    x = 35,088.26

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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.