Home / 28,948.52-39,949.80-16,373

Finding the Fourth Proportional to 28,948.52, 39,949.80 and 16,373

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Solution

The fourth proportional to 28,948.52, 39,949.80 and 16,373 is: 22,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.52 : 39,949.80 = 16,373 : x
  2. Step 2: Convert to fraction form
    28,948.52/39,949.80 = 16,373/x
  3. Step 3: Cross multiply
    28,948.52x = 39,949.80 × 16,373
  4. Step 4: Simplify right side
    28,948.52x = 654,098,075.40
  5. Step 5: Solve for x
    x = 654,098,075.40/28,948.52
  6. Step 6: Final answer
    x = 22,595.22

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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.