Home / 25,421.94-35,085.87-15,356.88

Finding the Fourth Proportional to 25,421.94, 35,085.87 and 15,356.88

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Solution

The fourth proportional to 25,421.94, 35,085.87 and 15,356.88 is: 21,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.94 : 35,085.87 = 15,356.88 : x
  2. Step 2: Convert to fraction form
    25,421.94/35,085.87 = 15,356.88/x
  3. Step 3: Cross multiply
    25,421.94x = 35,085.87 × 15,356.88
  4. Step 4: Simplify right side
    25,421.94x = 538,809,495.29
  5. Step 5: Solve for x
    x = 538,809,495.29/25,421.94
  6. Step 6: Final answer
    x = 21,194.66

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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.