Home / 21,385.08-32,058.18-14,445

Finding the Fourth Proportional to 21,385.08, 32,058.18 and 14,445

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Solution

The fourth proportional to 21,385.08, 32,058.18 and 14,445 is: 21,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.08 : 32,058.18 = 14,445 : x
  2. Step 2: Convert to fraction form
    21,385.08/32,058.18 = 14,445/x
  3. Step 3: Cross multiply
    21,385.08x = 32,058.18 × 14,445
  4. Step 4: Simplify right side
    21,385.08x = 463,080,410.10
  5. Step 5: Solve for x
    x = 463,080,410.10/21,385.08
  6. Step 6: Final answer
    x = 21,654.37

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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.