Home / 27,931.58-38,543.28-16,444.66

Finding the Fourth Proportional to 27,931.58, 38,543.28 and 16,444.66

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Solution

The fourth proportional to 27,931.58, 38,543.28 and 16,444.66 is: 22,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.58 : 38,543.28 = 16,444.66 : x
  2. Step 2: Convert to fraction form
    27,931.58/38,543.28 = 16,444.66/x
  3. Step 3: Cross multiply
    27,931.58x = 38,543.28 × 16,444.66
  4. Step 4: Simplify right side
    27,931.58x = 633,831,134.88
  5. Step 5: Solve for x
    x = 633,831,134.88/27,931.58
  6. Step 6: Final answer
    x = 22,692.28

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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.