Home / 28,301.13-42,414.93-11,642.22

Finding the Fourth Proportional to 28,301.13, 42,414.93 and 11,642.22

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Solution

The fourth proportional to 28,301.13, 42,414.93 and 11,642.22 is: 17,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.13 : 42,414.93 = 11,642.22 : x
  2. Step 2: Convert to fraction form
    28,301.13/42,414.93 = 11,642.22/x
  3. Step 3: Cross multiply
    28,301.13x = 42,414.93 × 11,642.22
  4. Step 4: Simplify right side
    28,301.13x = 493,803,946.34
  5. Step 5: Solve for x
    x = 493,803,946.34/28,301.13
  6. Step 6: Final answer
    x = 17,448.21

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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.