Home / 28,966.04-39,973.30-16,393.40

Finding the Fourth Proportional to 28,966.04, 39,973.30 and 16,393.40

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Solution

The fourth proportional to 28,966.04, 39,973.30 and 16,393.40 is: 22,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.04 : 39,973.30 = 16,393.40 : x
  2. Step 2: Convert to fraction form
    28,966.04/39,973.30 = 16,393.40/x
  3. Step 3: Cross multiply
    28,966.04x = 39,973.30 × 16,393.40
  4. Step 4: Simplify right side
    28,966.04x = 655,298,296.22
  5. Step 5: Solve for x
    x = 655,298,296.22/28,966.04
  6. Step 6: Final answer
    x = 22,622.99

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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.