Home / 27,412.47-37,830.12-16,800.05

Finding the Fourth Proportional to 27,412.47, 37,830.12 and 16,800.05

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Solution

The fourth proportional to 27,412.47, 37,830.12 and 16,800.05 is: 23,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.47 : 37,830.12 = 16,800.05 : x
  2. Step 2: Convert to fraction form
    27,412.47/37,830.12 = 16,800.05/x
  3. Step 3: Cross multiply
    27,412.47x = 37,830.12 × 16,800.05
  4. Step 4: Simplify right side
    27,412.47x = 635,547,907.51
  5. Step 5: Solve for x
    x = 635,547,907.51/27,412.47
  6. Step 6: Final answer
    x = 23,184.63

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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.