Home / 20,946.02-28,875.76-16,659.50

Finding the Fourth Proportional to 20,946.02, 28,875.76 and 16,659.50

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Solution

The fourth proportional to 20,946.02, 28,875.76 and 16,659.50 is: 22,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946.02 : 28,875.76 = 16,659.50 : x
  2. Step 2: Convert to fraction form
    20,946.02/28,875.76 = 16,659.50/x
  3. Step 3: Cross multiply
    20,946.02x = 28,875.76 × 16,659.50
  4. Step 4: Simplify right side
    20,946.02x = 481,055,537.69
  5. Step 5: Solve for x
    x = 481,055,537.69/20,946.02
  6. Step 6: Final answer
    x = 22,966.45

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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.