Home / 35,685.40-53,528.10-10,729.30

Finding the Fourth Proportional to 35,685.40, 53,528.10 and 10,729.30

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Solution

The fourth proportional to 35,685.40, 53,528.10 and 10,729.30 is: 16,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.40 : 53,528.10 = 10,729.30 : x
  2. Step 2: Convert to fraction form
    35,685.40/53,528.10 = 10,729.30/x
  3. Step 3: Cross multiply
    35,685.40x = 53,528.10 × 10,729.30
  4. Step 4: Simplify right side
    35,685.40x = 574,319,043.33
  5. Step 5: Solve for x
    x = 574,319,043.33/35,685.40
  6. Step 6: Final answer
    x = 16,093.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.