Home / 28,050.84-42,070.08-11,406.48

Finding the Fourth Proportional to 28,050.84, 42,070.08 and 11,406.48

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Solution

The fourth proportional to 28,050.84, 42,070.08 and 11,406.48 is: 17,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.84 : 42,070.08 = 11,406.48 : x
  2. Step 2: Convert to fraction form
    28,050.84/42,070.08 = 11,406.48/x
  3. Step 3: Cross multiply
    28,050.84x = 42,070.08 × 11,406.48
  4. Step 4: Simplify right side
    28,050.84x = 479,871,526.12
  5. Step 5: Solve for x
    x = 479,871,526.12/28,050.84
  6. Step 6: Final answer
    x = 17,107.21

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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.