Home / 27,557.61-38,030.30-16,803.11

Finding the Fourth Proportional to 27,557.61, 38,030.30 and 16,803.11

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Solution

The fourth proportional to 27,557.61, 38,030.30 and 16,803.11 is: 23,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,557.61 : 38,030.30 = 16,803.11 : x
  2. Step 2: Convert to fraction form
    27,557.61/38,030.30 = 16,803.11/x
  3. Step 3: Cross multiply
    27,557.61x = 38,030.30 × 16,803.11
  4. Step 4: Simplify right side
    27,557.61x = 639,027,040.07
  5. Step 5: Solve for x
    x = 639,027,040.07/27,557.61
  6. Step 6: Final answer
    x = 23,188.77

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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.