Home / 27,384.12-37,790.10-14,808.87

Finding the Fourth Proportional to 27,384.12, 37,790.10 and 14,808.87

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Solution

The fourth proportional to 27,384.12, 37,790.10 and 14,808.87 is: 20,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,384.12 : 37,790.10 = 14,808.87 : x
  2. Step 2: Convert to fraction form
    27,384.12/37,790.10 = 14,808.87/x
  3. Step 3: Cross multiply
    27,384.12x = 37,790.10 × 14,808.87
  4. Step 4: Simplify right side
    27,384.12x = 559,628,678.19
  5. Step 5: Solve for x
    x = 559,628,678.19/27,384.12
  6. Step 6: Final answer
    x = 20,436.25

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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.