Home / 19,928.32-29,886.08-10,562.88

Finding the Fourth Proportional to 19,928.32, 29,886.08 and 10,562.88

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Solution

The fourth proportional to 19,928.32, 29,886.08 and 10,562.88 is: 15,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.32 : 29,886.08 = 10,562.88 : x
  2. Step 2: Convert to fraction form
    19,928.32/29,886.08 = 10,562.88/x
  3. Step 3: Cross multiply
    19,928.32x = 29,886.08 × 10,562.88
  4. Step 4: Simplify right side
    19,928.32x = 315,683,076.71
  5. Step 5: Solve for x
    x = 315,683,076.71/19,928.32
  6. Step 6: Final answer
    x = 15,840.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.