Home / 52,486.04-72,428.90-28,612.23

Finding the Fourth Proportional to 52,486.04, 72,428.90 and 28,612.23

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Solution

The fourth proportional to 52,486.04, 72,428.90 and 28,612.23 is: 39,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486.04 : 72,428.90 = 28,612.23 : x
  2. Step 2: Convert to fraction form
    52,486.04/72,428.90 = 28,612.23/x
  3. Step 3: Cross multiply
    52,486.04x = 72,428.90 × 28,612.23
  4. Step 4: Simplify right side
    52,486.04x = 2,072,352,202.39
  5. Step 5: Solve for x
    x = 2,072,352,202.39/52,486.04
  6. Step 6: Final answer
    x = 39,483.88

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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.