Home / 25,518.08-35,210.88-15,444.80

Finding the Fourth Proportional to 25,518.08, 35,210.88 and 15,444.80

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Solution

The fourth proportional to 25,518.08, 35,210.88 and 15,444.80 is: 21,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.08 : 35,210.88 = 15,444.80 : x
  2. Step 2: Convert to fraction form
    25,518.08/35,210.88 = 15,444.80/x
  3. Step 3: Cross multiply
    25,518.08x = 35,210.88 × 15,444.80
  4. Step 4: Simplify right side
    25,518.08x = 543,824,999.42
  5. Step 5: Solve for x
    x = 543,824,999.42/25,518.08
  6. Step 6: Final answer
    x = 21,311.36

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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.