Home / 20,588.04-30,882.06-14,459.40

Finding the Fourth Proportional to 20,588.04, 30,882.06 and 14,459.40

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Solution

The fourth proportional to 20,588.04, 30,882.06 and 14,459.40 is: 21,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.04 : 30,882.06 = 14,459.40 : x
  2. Step 2: Convert to fraction form
    20,588.04/30,882.06 = 14,459.40/x
  3. Step 3: Cross multiply
    20,588.04x = 30,882.06 × 14,459.40
  4. Step 4: Simplify right side
    20,588.04x = 446,536,058.36
  5. Step 5: Solve for x
    x = 446,536,058.36/20,588.04
  6. Step 6: Final answer
    x = 21,689.10

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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.