Home / 25,423-38,134.50-6,955

Finding the Fourth Proportional to 25,423, 38,134.50 and 6,955

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Solution

The fourth proportional to 25,423, 38,134.50 and 6,955 is: 10,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423 : 38,134.50 = 6,955 : x
  2. Step 2: Convert to fraction form
    25,423/38,134.50 = 6,955/x
  3. Step 3: Cross multiply
    25,423x = 38,134.50 × 6,955
  4. Step 4: Simplify right side
    25,423x = 265,225,447.50
  5. Step 5: Solve for x
    x = 265,225,447.50/25,423
  6. Step 6: Final answer
    x = 10,432.50

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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.