Home / 28,525.77-42,772.86-11,670.63

Finding the Fourth Proportional to 28,525.77, 42,772.86 and 11,670.63

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Solution

The fourth proportional to 28,525.77, 42,772.86 and 11,670.63 is: 17,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.77 : 42,772.86 = 11,670.63 : x
  2. Step 2: Convert to fraction form
    28,525.77/42,772.86 = 11,670.63/x
  3. Step 3: Cross multiply
    28,525.77x = 42,772.86 × 11,670.63
  4. Step 4: Simplify right side
    28,525.77x = 499,186,223.10
  5. Step 5: Solve for x
    x = 499,186,223.10/28,525.77
  6. Step 6: Final answer
    x = 17,499.48

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1.5x scale

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.