Home / 28,929.04-39,921.04-16,353.52

Finding the Fourth Proportional to 28,929.04, 39,921.04 and 16,353.52

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Solution

The fourth proportional to 28,929.04, 39,921.04 and 16,353.52 is: 22,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.04 : 39,921.04 = 16,353.52 : x
  2. Step 2: Convert to fraction form
    28,929.04/39,921.04 = 16,353.52/x
  3. Step 3: Cross multiply
    28,929.04x = 39,921.04 × 16,353.52
  4. Step 4: Simplify right side
    28,929.04x = 652,849,526.06
  5. Step 5: Solve for x
    x = 652,849,526.06/28,929.04
  6. Step 6: Final answer
    x = 22,567.27

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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.