Home / 21,726.36-32,595.30-7,877.40

Finding the Fourth Proportional to 21,726.36, 32,595.30 and 7,877.40

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Solution

The fourth proportional to 21,726.36, 32,595.30 and 7,877.40 is: 11,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.36 : 32,595.30 = 7,877.40 : x
  2. Step 2: Convert to fraction form
    21,726.36/32,595.30 = 7,877.40/x
  3. Step 3: Cross multiply
    21,726.36x = 32,595.30 × 7,877.40
  4. Step 4: Simplify right side
    21,726.36x = 256,766,216.22
  5. Step 5: Solve for x
    x = 256,766,216.22/21,726.36
  6. Step 6: Final answer
    x = 11,818.19

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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.