Home / 25,679.38-38,509.35-10,088.50

Finding the Fourth Proportional to 25,679.38, 38,509.35 and 10,088.50

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Solution

The fourth proportional to 25,679.38, 38,509.35 and 10,088.50 is: 15,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.38 : 38,509.35 = 10,088.50 : x
  2. Step 2: Convert to fraction form
    25,679.38/38,509.35 = 10,088.50/x
  3. Step 3: Cross multiply
    25,679.38x = 38,509.35 × 10,088.50
  4. Step 4: Simplify right side
    25,679.38x = 388,501,577.48
  5. Step 5: Solve for x
    x = 388,501,577.48/25,679.38
  6. Step 6: Final answer
    x = 15,128.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.