Home / 27,591.86-38,077.80-15,657.50

Finding the Fourth Proportional to 27,591.86, 38,077.80 and 15,657.50

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Solution

The fourth proportional to 27,591.86, 38,077.80 and 15,657.50 is: 21,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.86 : 38,077.80 = 15,657.50 : x
  2. Step 2: Convert to fraction form
    27,591.86/38,077.80 = 15,657.50/x
  3. Step 3: Cross multiply
    27,591.86x = 38,077.80 × 15,657.50
  4. Step 4: Simplify right side
    27,591.86x = 596,203,153.50
  5. Step 5: Solve for x
    x = 596,203,153.50/27,591.86
  6. Step 6: Final answer
    x = 21,607.94

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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.