Home / 28,054.86-42,080.64-10,523.22

Finding the Fourth Proportional to 28,054.86, 42,080.64 and 10,523.22

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Solution

The fourth proportional to 28,054.86, 42,080.64 and 10,523.22 is: 15,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.86 : 42,080.64 = 10,523.22 : x
  2. Step 2: Convert to fraction form
    28,054.86/42,080.64 = 10,523.22/x
  3. Step 3: Cross multiply
    28,054.86x = 42,080.64 × 10,523.22
  4. Step 4: Simplify right side
    28,054.86x = 442,823,832.46
  5. Step 5: Solve for x
    x = 442,823,832.46/28,054.86
  6. Step 6: Final answer
    x = 15,784.21

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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.