Home / 28,189.02-38,901.47-16,089.27

Finding the Fourth Proportional to 28,189.02, 38,901.47 and 16,089.27

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Solution

The fourth proportional to 28,189.02, 38,901.47 and 16,089.27 is: 22,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.02 : 38,901.47 = 16,089.27 : x
  2. Step 2: Convert to fraction form
    28,189.02/38,901.47 = 16,089.27/x
  3. Step 3: Cross multiply
    28,189.02x = 38,901.47 × 16,089.27
  4. Step 4: Simplify right side
    28,189.02x = 625,896,254.23
  5. Step 5: Solve for x
    x = 625,896,254.23/28,189.02
  6. Step 6: Final answer
    x = 22,203.55

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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.