Home / 28,044.48-42,071.68-9,572.16

Finding the Fourth Proportional to 28,044.48, 42,071.68 and 9,572.16

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Solution

The fourth proportional to 28,044.48, 42,071.68 and 9,572.16 is: 14,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.48 : 42,071.68 = 9,572.16 : x
  2. Step 2: Convert to fraction form
    28,044.48/42,071.68 = 9,572.16/x
  3. Step 3: Cross multiply
    28,044.48x = 42,071.68 × 9,572.16
  4. Step 4: Simplify right side
    28,044.48x = 402,716,852.43
  5. Step 5: Solve for x
    x = 402,716,852.43/28,044.48
  6. Step 6: Final answer
    x = 14,359.93

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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.