Home / 21,567.48-32,318.28-14,521.47

Finding the Fourth Proportional to 21,567.48, 32,318.28 and 14,521.47

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Solution

The fourth proportional to 21,567.48, 32,318.28 and 14,521.47 is: 21,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567.48 : 32,318.28 = 14,521.47 : x
  2. Step 2: Convert to fraction form
    21,567.48/32,318.28 = 14,521.47/x
  3. Step 3: Cross multiply
    21,567.48x = 32,318.28 × 14,521.47
  4. Step 4: Simplify right side
    21,567.48x = 469,308,933.47
  5. Step 5: Solve for x
    x = 469,308,933.47/21,567.48
  6. Step 6: Final answer
    x = 21,760.03

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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.