Home / 25,749.10-38,557.05-21,579.10

Finding the Fourth Proportional to 25,749.10, 38,557.05 and 21,579.10

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Solution

The fourth proportional to 25,749.10, 38,557.05 and 21,579.10 is: 32,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.10 : 38,557.05 = 21,579.10 : x
  2. Step 2: Convert to fraction form
    25,749.10/38,557.05 = 21,579.10/x
  3. Step 3: Cross multiply
    25,749.10x = 38,557.05 × 21,579.10
  4. Step 4: Simplify right side
    25,749.10x = 832,026,437.66
  5. Step 5: Solve for x
    x = 832,026,437.66/25,749.10
  6. Step 6: Final answer
    x = 32,312.84

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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.