Home / 52,681.83-72,700.95-28,808.70

Finding the Fourth Proportional to 52,681.83, 72,700.95 and 28,808.70

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Solution

The fourth proportional to 52,681.83, 72,700.95 and 28,808.70 is: 39,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,681.83 : 72,700.95 = 28,808.70 : x
  2. Step 2: Convert to fraction form
    52,681.83/72,700.95 = 28,808.70/x
  3. Step 3: Cross multiply
    52,681.83x = 72,700.95 × 28,808.70
  4. Step 4: Simplify right side
    52,681.83x = 2,094,419,858.27
  5. Step 5: Solve for x
    x = 2,094,419,858.27/52,681.83
  6. Step 6: Final answer
    x = 39,756.02

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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.