Home / 28,307.20-42,465.93-23,088.47

Finding the Fourth Proportional to 28,307.20, 42,465.93 and 23,088.47

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Solution

The fourth proportional to 28,307.20, 42,465.93 and 23,088.47 is: 34,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307.20 : 42,465.93 = 23,088.47 : x
  2. Step 2: Convert to fraction form
    28,307.20/42,465.93 = 23,088.47/x
  3. Step 3: Cross multiply
    28,307.20x = 42,465.93 × 23,088.47
  4. Step 4: Simplify right side
    28,307.20x = 980,473,350.83
  5. Step 5: Solve for x
    x = 980,473,350.83/28,307.20
  6. Step 6: Final answer
    x = 34,636.89

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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.