Home / 21,521.30-32,276.81-9,041.56

Finding the Fourth Proportional to 21,521.30, 32,276.81 and 9,041.56

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Solution

The fourth proportional to 21,521.30, 32,276.81 and 9,041.56 is: 13,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.30 : 32,276.81 = 9,041.56 : x
  2. Step 2: Convert to fraction form
    21,521.30/32,276.81 = 9,041.56/x
  3. Step 3: Cross multiply
    21,521.30x = 32,276.81 × 9,041.56
  4. Step 4: Simplify right side
    21,521.30x = 291,832,656.14
  5. Step 5: Solve for x
    x = 291,832,656.14/21,521.30
  6. Step 6: Final answer
    x = 13,560.18

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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.