Home / 27,764.02-38,314.65-15,188.50

Finding the Fourth Proportional to 27,764.02, 38,314.65 and 15,188.50

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Solution

The fourth proportional to 27,764.02, 38,314.65 and 15,188.50 is: 20,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.02 : 38,314.65 = 15,188.50 : x
  2. Step 2: Convert to fraction form
    27,764.02/38,314.65 = 15,188.50/x
  3. Step 3: Cross multiply
    27,764.02x = 38,314.65 × 15,188.50
  4. Step 4: Simplify right side
    27,764.02x = 581,942,061.53
  5. Step 5: Solve for x
    x = 581,942,061.53/27,764.02
  6. Step 6: Final answer
    x = 20,960.30

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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.