Home / 21,411.03-32,074.98-15,778.47

Finding the Fourth Proportional to 21,411.03, 32,074.98 and 15,778.47

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Solution

The fourth proportional to 21,411.03, 32,074.98 and 15,778.47 is: 23,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411.03 : 32,074.98 = 15,778.47 : x
  2. Step 2: Convert to fraction form
    21,411.03/32,074.98 = 15,778.47/x
  3. Step 3: Cross multiply
    21,411.03x = 32,074.98 × 15,778.47
  4. Step 4: Simplify right side
    21,411.03x = 506,094,109.68
  5. Step 5: Solve for x
    x = 506,094,109.68/21,411.03
  6. Step 6: Final answer
    x = 23,637.07

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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.