Home / 25,551.24-35,264.88-15,486.72

Finding the Fourth Proportional to 25,551.24, 35,264.88 and 15,486.72

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Solution

The fourth proportional to 25,551.24, 35,264.88 and 15,486.72 is: 21,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.24 : 35,264.88 = 15,486.72 : x
  2. Step 2: Convert to fraction form
    25,551.24/35,264.88 = 15,486.72/x
  3. Step 3: Cross multiply
    25,551.24x = 35,264.88 × 15,486.72
  4. Step 4: Simplify right side
    25,551.24x = 546,137,322.39
  5. Step 5: Solve for x
    x = 546,137,322.39/25,551.24
  6. Step 6: Final answer
    x = 21,374.20

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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.