Home / 28,089.02-38,769.50-16,159.26

Finding the Fourth Proportional to 28,089.02, 38,769.50 and 16,159.26

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Solution

The fourth proportional to 28,089.02, 38,769.50 and 16,159.26 is: 22,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.02 : 38,769.50 = 16,159.26 : x
  2. Step 2: Convert to fraction form
    28,089.02/38,769.50 = 16,159.26/x
  3. Step 3: Cross multiply
    28,089.02x = 38,769.50 × 16,159.26
  4. Step 4: Simplify right side
    28,089.02x = 626,486,430.57
  5. Step 5: Solve for x
    x = 626,486,430.57/28,089.02
  6. Step 6: Final answer
    x = 22,303.61

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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.