Home / 28,100.07-42,154.16-11,461.05

Finding the Fourth Proportional to 28,100.07, 42,154.16 and 11,461.05

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Solution

The fourth proportional to 28,100.07, 42,154.16 and 11,461.05 is: 17,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.07 : 42,154.16 = 11,461.05 : x
  2. Step 2: Convert to fraction form
    28,100.07/42,154.16 = 11,461.05/x
  3. Step 3: Cross multiply
    28,100.07x = 42,154.16 × 11,461.05
  4. Step 4: Simplify right side
    28,100.07x = 483,130,878.16
  5. Step 5: Solve for x
    x = 483,130,878.16/28,100.07
  6. Step 6: Final answer
    x = 17,193.23

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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.