Home / 21,926.63-32,889.95-12,560.16

Finding the Fourth Proportional to 21,926.63, 32,889.95 and 12,560.16

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Solution

The fourth proportional to 21,926.63, 32,889.95 and 12,560.16 is: 18,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.63 : 32,889.95 = 12,560.16 : x
  2. Step 2: Convert to fraction form
    21,926.63/32,889.95 = 12,560.16/x
  3. Step 3: Cross multiply
    21,926.63x = 32,889.95 × 12,560.16
  4. Step 4: Simplify right side
    21,926.63x = 413,102,971.59
  5. Step 5: Solve for x
    x = 413,102,971.59/21,926.63
  6. Step 6: Final answer
    x = 18,840.24

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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.