Home / 28,038.50-42,064.44-9,570.50

Finding the Fourth Proportional to 28,038.50, 42,064.44 and 9,570.50

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Solution

The fourth proportional to 28,038.50, 42,064.44 and 9,570.50 is: 14,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.50 : 42,064.44 = 9,570.50 : x
  2. Step 2: Convert to fraction form
    28,038.50/42,064.44 = 9,570.50/x
  3. Step 3: Cross multiply
    28,038.50x = 42,064.44 × 9,570.50
  4. Step 4: Simplify right side
    28,038.50x = 402,577,723.02
  5. Step 5: Solve for x
    x = 402,577,723.02/28,038.50
  6. Step 6: Final answer
    x = 14,358.03

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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.