Home / 28,666.83-43,000.74-9,947.52

Finding the Fourth Proportional to 28,666.83, 43,000.74 and 9,947.52

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Solution

The fourth proportional to 28,666.83, 43,000.74 and 9,947.52 is: 14,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.83 : 43,000.74 = 9,947.52 : x
  2. Step 2: Convert to fraction form
    28,666.83/43,000.74 = 9,947.52/x
  3. Step 3: Cross multiply
    28,666.83x = 43,000.74 × 9,947.52
  4. Step 4: Simplify right side
    28,666.83x = 427,750,721.16
  5. Step 5: Solve for x
    x = 427,750,721.16/28,666.83
  6. Step 6: Final answer
    x = 14,921.45

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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.