Home / 52,266.30-72,127.60-28,392.80

Finding the Fourth Proportional to 52,266.30, 72,127.60 and 28,392.80

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Solution

The fourth proportional to 52,266.30, 72,127.60 and 28,392.80 is: 39,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,266.30 : 72,127.60 = 28,392.80 : x
  2. Step 2: Convert to fraction form
    52,266.30/72,127.60 = 28,392.80/x
  3. Step 3: Cross multiply
    52,266.30x = 72,127.60 × 28,392.80
  4. Step 4: Simplify right side
    52,266.30x = 2,047,904,521.28
  5. Step 5: Solve for x
    x = 2,047,904,521.28/52,266.30
  6. Step 6: Final answer
    x = 39,182.12

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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.