Home / 25,886.77-38,773.24-21,393.51

Finding the Fourth Proportional to 25,886.77, 38,773.24 and 21,393.51

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Solution

The fourth proportional to 25,886.77, 38,773.24 and 21,393.51 is: 32,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.77 : 38,773.24 = 21,393.51 : x
  2. Step 2: Convert to fraction form
    25,886.77/38,773.24 = 21,393.51/x
  3. Step 3: Cross multiply
    25,886.77x = 38,773.24 × 21,393.51
  4. Step 4: Simplify right side
    25,886.77x = 829,495,697.67
  5. Step 5: Solve for x
    x = 829,495,697.67/25,886.77
  6. Step 6: Final answer
    x = 32,043.23

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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.