Home / 21,565.09-32,347.64-13,675.48

Finding the Fourth Proportional to 21,565.09, 32,347.64 and 13,675.48

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Solution

The fourth proportional to 21,565.09, 32,347.64 and 13,675.48 is: 20,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.09 : 32,347.64 = 13,675.48 : x
  2. Step 2: Convert to fraction form
    21,565.09/32,347.64 = 13,675.48/x
  3. Step 3: Cross multiply
    21,565.09x = 32,347.64 × 13,675.48
  4. Step 4: Simplify right side
    21,565.09x = 442,369,503.87
  5. Step 5: Solve for x
    x = 442,369,503.87/21,565.09
  6. Step 6: Final answer
    x = 20,513.22

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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.