Home / 27,088.71-37,382.48-14,990.06

Finding the Fourth Proportional to 27,088.71, 37,382.48 and 14,990.06

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Solution

The fourth proportional to 27,088.71, 37,382.48 and 14,990.06 is: 20,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.71 : 37,382.48 = 14,990.06 : x
  2. Step 2: Convert to fraction form
    27,088.71/37,382.48 = 14,990.06/x
  3. Step 3: Cross multiply
    27,088.71x = 37,382.48 × 14,990.06
  4. Step 4: Simplify right side
    27,088.71x = 560,365,636.65
  5. Step 5: Solve for x
    x = 560,365,636.65/27,088.71
  6. Step 6: Final answer
    x = 20,686.32

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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.