Home / 27,995.06-42,002.82-13,009.10

Finding the Fourth Proportional to 27,995.06, 42,002.82 and 13,009.10

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Solution

The fourth proportional to 27,995.06, 42,002.82 and 13,009.10 is: 19,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.06 : 42,002.82 = 13,009.10 : x
  2. Step 2: Convert to fraction form
    27,995.06/42,002.82 = 13,009.10/x
  3. Step 3: Cross multiply
    27,995.06x = 42,002.82 × 13,009.10
  4. Step 4: Simplify right side
    27,995.06x = 546,418,885.66
  5. Step 5: Solve for x
    x = 546,418,885.66/27,995.06
  6. Step 6: Final answer
    x = 19,518.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.