Home / 28,877.15-39,849.27-16,130.27

Finding the Fourth Proportional to 28,877.15, 39,849.27 and 16,130.27

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Solution

The fourth proportional to 28,877.15, 39,849.27 and 16,130.27 is: 22,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.15 : 39,849.27 = 16,130.27 : x
  2. Step 2: Convert to fraction form
    28,877.15/39,849.27 = 16,130.27/x
  3. Step 3: Cross multiply
    28,877.15x = 39,849.27 × 16,130.27
  4. Step 4: Simplify right side
    28,877.15x = 642,779,204.51
  5. Step 5: Solve for x
    x = 642,779,204.51/28,877.15
  6. Step 6: Final answer
    x = 22,259.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.