Home / 35,666.28-53,504.88-12,287.40

Finding the Fourth Proportional to 35,666.28, 53,504.88 and 12,287.40

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Solution

The fourth proportional to 35,666.28, 53,504.88 and 12,287.40 is: 18,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,666.28 : 53,504.88 = 12,287.40 : x
  2. Step 2: Convert to fraction form
    35,666.28/53,504.88 = 12,287.40/x
  3. Step 3: Cross multiply
    35,666.28x = 53,504.88 × 12,287.40
  4. Step 4: Simplify right side
    35,666.28x = 657,435,862.51
  5. Step 5: Solve for x
    x = 657,435,862.51/35,666.28
  6. Step 6: Final answer
    x = 18,432.98

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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.