Home / 28,235.16-42,343.83-15,080.76

Finding the Fourth Proportional to 28,235.16, 42,343.83 and 15,080.76

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Solution

The fourth proportional to 28,235.16, 42,343.83 and 15,080.76 is: 22,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.16 : 42,343.83 = 15,080.76 : x
  2. Step 2: Convert to fraction form
    28,235.16/42,343.83 = 15,080.76/x
  3. Step 3: Cross multiply
    28,235.16x = 42,343.83 × 15,080.76
  4. Step 4: Simplify right side
    28,235.16x = 638,577,137.71
  5. Step 5: Solve for x
    x = 638,577,137.71/28,235.16
  6. Step 6: Final answer
    x = 22,616.38

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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.