Home / 20,833.29-28,720.02-14,854.59

Finding the Fourth Proportional to 20,833.29, 28,720.02 and 14,854.59

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Solution

The fourth proportional to 20,833.29, 28,720.02 and 14,854.59 is: 20,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.29 : 28,720.02 = 14,854.59 : x
  2. Step 2: Convert to fraction form
    20,833.29/28,720.02 = 14,854.59/x
  3. Step 3: Cross multiply
    20,833.29x = 28,720.02 × 14,854.59
  4. Step 4: Simplify right side
    20,833.29x = 426,624,121.89
  5. Step 5: Solve for x
    x = 426,624,121.89/20,833.29
  6. Step 6: Final answer
    x = 20,478.00

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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.