Home / 21,509.28-32,269.74-9,022.72

Finding the Fourth Proportional to 21,509.28, 32,269.74 and 9,022.72

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Solution

The fourth proportional to 21,509.28, 32,269.74 and 9,022.72 is: 13,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.28 : 32,269.74 = 9,022.72 : x
  2. Step 2: Convert to fraction form
    21,509.28/32,269.74 = 9,022.72/x
  3. Step 3: Cross multiply
    21,509.28x = 32,269.74 × 9,022.72
  4. Step 4: Simplify right side
    21,509.28x = 291,160,828.49
  5. Step 5: Solve for x
    x = 291,160,828.49/21,509.28
  6. Step 6: Final answer
    x = 13,536.52

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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.