Home / 21,580.48-32,364.69-13,671.24

Finding the Fourth Proportional to 21,580.48, 32,364.69 and 13,671.24

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Solution

The fourth proportional to 21,580.48, 32,364.69 and 13,671.24 is: 20,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.48 : 32,364.69 = 13,671.24 : x
  2. Step 2: Convert to fraction form
    21,580.48/32,364.69 = 13,671.24/x
  3. Step 3: Cross multiply
    21,580.48x = 32,364.69 × 13,671.24
  4. Step 4: Simplify right side
    21,580.48x = 442,465,444.52
  5. Step 5: Solve for x
    x = 442,465,444.52/21,580.48
  6. Step 6: Final answer
    x = 20,503.04

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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.