Home / 21,632.18-32,402.87-13,730.63

Finding the Fourth Proportional to 21,632.18, 32,402.87 and 13,730.63

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Solution

The fourth proportional to 21,632.18, 32,402.87 and 13,730.63 is: 20,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.18 : 32,402.87 = 13,730.63 : x
  2. Step 2: Convert to fraction form
    21,632.18/32,402.87 = 13,730.63/x
  3. Step 3: Cross multiply
    21,632.18x = 32,402.87 × 13,730.63
  4. Step 4: Simplify right side
    21,632.18x = 444,911,831.26
  5. Step 5: Solve for x
    x = 444,911,831.26/21,632.18
  6. Step 6: Final answer
    x = 20,567.13

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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.