Home / 21,626.10-32,434.25-9,928.08

Finding the Fourth Proportional to 21,626.10, 32,434.25 and 9,928.08

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Solution

The fourth proportional to 21,626.10, 32,434.25 and 9,928.08 is: 14,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.10 : 32,434.25 = 9,928.08 : x
  2. Step 2: Convert to fraction form
    21,626.10/32,434.25 = 9,928.08/x
  3. Step 3: Cross multiply
    21,626.10x = 32,434.25 × 9,928.08
  4. Step 4: Simplify right side
    21,626.10x = 322,009,779.10
  5. Step 5: Solve for x
    x = 322,009,779.10/21,626.10
  6. Step 6: Final answer
    x = 14,889.87

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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.