Home / 25,743.20-35,527-15,670.04

Finding the Fourth Proportional to 25,743.20, 35,527 and 15,670.04

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Solution

The fourth proportional to 25,743.20, 35,527 and 15,670.04 is: 21,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.20 : 35,527 = 15,670.04 : x
  2. Step 2: Convert to fraction form
    25,743.20/35,527 = 15,670.04/x
  3. Step 3: Cross multiply
    25,743.20x = 35,527 × 15,670.04
  4. Step 4: Simplify right side
    25,743.20x = 556,709,511.08
  5. Step 5: Solve for x
    x = 556,709,511.08/25,743.20
  6. Step 6: Final answer
    x = 21,625.50

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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.