Home / 27,390.30-37,798.61-14,815.05

Finding the Fourth Proportional to 27,390.30, 37,798.61 and 14,815.05

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Solution

The fourth proportional to 27,390.30, 37,798.61 and 14,815.05 is: 20,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.30 : 37,798.61 = 14,815.05 : x
  2. Step 2: Convert to fraction form
    27,390.30/37,798.61 = 14,815.05/x
  3. Step 3: Cross multiply
    27,390.30x = 37,798.61 × 14,815.05
  4. Step 4: Simplify right side
    27,390.30x = 559,988,297.08
  5. Step 5: Solve for x
    x = 559,988,297.08/27,390.30
  6. Step 6: Final answer
    x = 20,444.77

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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.