Home / 27,807.30-38,364.30-19,307.16

Finding the Fourth Proportional to 27,807.30, 38,364.30 and 19,307.16

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Solution

The fourth proportional to 27,807.30, 38,364.30 and 19,307.16 is: 26,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.30 : 38,364.30 = 19,307.16 : x
  2. Step 2: Convert to fraction form
    27,807.30/38,364.30 = 19,307.16/x
  3. Step 3: Cross multiply
    27,807.30x = 38,364.30 × 19,307.16
  4. Step 4: Simplify right side
    27,807.30x = 740,705,678.39
  5. Step 5: Solve for x
    x = 740,705,678.39/27,807.30
  6. Step 6: Final answer
    x = 26,637.09

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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.