Home / 28,415.22-42,345.78-27,560.10

Finding the Fourth Proportional to 28,415.22, 42,345.78 and 27,560.10

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Solution

The fourth proportional to 28,415.22, 42,345.78 and 27,560.10 is: 41,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,415.22 : 42,345.78 = 27,560.10 : x
  2. Step 2: Convert to fraction form
    28,415.22/42,345.78 = 27,560.10/x
  3. Step 3: Cross multiply
    28,415.22x = 42,345.78 × 27,560.10
  4. Step 4: Simplify right side
    28,415.22x = 1,167,053,931.38
  5. Step 5: Solve for x
    x = 1,167,053,931.38/28,415.22
  6. Step 6: Final answer
    x = 41,071.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.