Home / 21,386.40-32,073.84-14,503.20

Finding the Fourth Proportional to 21,386.40, 32,073.84 and 14,503.20

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Solution

The fourth proportional to 21,386.40, 32,073.84 and 14,503.20 is: 21,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386.40 : 32,073.84 = 14,503.20 : x
  2. Step 2: Convert to fraction form
    21,386.40/32,073.84 = 14,503.20/x
  3. Step 3: Cross multiply
    21,386.40x = 32,073.84 × 14,503.20
  4. Step 4: Simplify right side
    21,386.40x = 465,173,316.29
  5. Step 5: Solve for x
    x = 465,173,316.29/21,386.40
  6. Step 6: Final answer
    x = 21,750.89

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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.