Home / 39,877.05-59,815.80-10,292.86

Finding the Fourth Proportional to 39,877.05, 59,815.80 and 10,292.86

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Solution

The fourth proportional to 39,877.05, 59,815.80 and 10,292.86 is: 15,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.05 : 59,815.80 = 10,292.86 : x
  2. Step 2: Convert to fraction form
    39,877.05/59,815.80 = 10,292.86/x
  3. Step 3: Cross multiply
    39,877.05x = 59,815.80 × 10,292.86
  4. Step 4: Simplify right side
    39,877.05x = 615,675,655.19
  5. Step 5: Solve for x
    x = 615,675,655.19/39,877.05
  6. Step 6: Final answer
    x = 15,439.35

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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.