Home / 21,417.35-32,107.54-10,308.76

Finding the Fourth Proportional to 21,417.35, 32,107.54 and 10,308.76

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Solution

The fourth proportional to 21,417.35, 32,107.54 and 10,308.76 is: 15,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.35 : 32,107.54 = 10,308.76 : x
  2. Step 2: Convert to fraction form
    21,417.35/32,107.54 = 10,308.76/x
  3. Step 3: Cross multiply
    21,417.35x = 32,107.54 × 10,308.76
  4. Step 4: Simplify right side
    21,417.35x = 330,988,924.05
  5. Step 5: Solve for x
    x = 330,988,924.05/21,417.35
  6. Step 6: Final answer
    x = 15,454.24

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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.