Home / 28,337.54-39,104.76-15,762.02

Finding the Fourth Proportional to 28,337.54, 39,104.76 and 15,762.02

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Solution

The fourth proportional to 28,337.54, 39,104.76 and 15,762.02 is: 21,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.54 : 39,104.76 = 15,762.02 : x
  2. Step 2: Convert to fraction form
    28,337.54/39,104.76 = 15,762.02/x
  3. Step 3: Cross multiply
    28,337.54x = 39,104.76 × 15,762.02
  4. Step 4: Simplify right side
    28,337.54x = 616,370,009.22
  5. Step 5: Solve for x
    x = 616,370,009.22/28,337.54
  6. Step 6: Final answer
    x = 21,751.01

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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.