Home / 19,328.88-26,672.28-10,830.32

Finding the Fourth Proportional to 19,328.88, 26,672.28 and 10,830.32

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Solution

The fourth proportional to 19,328.88, 26,672.28 and 10,830.32 is: 14,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.88 : 26,672.28 = 10,830.32 : x
  2. Step 2: Convert to fraction form
    19,328.88/26,672.28 = 10,830.32/x
  3. Step 3: Cross multiply
    19,328.88x = 26,672.28 × 10,830.32
  4. Step 4: Simplify right side
    19,328.88x = 288,869,327.53
  5. Step 5: Solve for x
    x = 288,869,327.53/19,328.88
  6. Step 6: Final answer
    x = 14,944.96

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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.