Home / 25,332.60-37,999.80-7,802.40

Finding the Fourth Proportional to 25,332.60, 37,999.80 and 7,802.40

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Solution

The fourth proportional to 25,332.60, 37,999.80 and 7,802.40 is: 11,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,332.60 : 37,999.80 = 7,802.40 : x
  2. Step 2: Convert to fraction form
    25,332.60/37,999.80 = 7,802.40/x
  3. Step 3: Cross multiply
    25,332.60x = 37,999.80 × 7,802.40
  4. Step 4: Simplify right side
    25,332.60x = 296,489,639.52
  5. Step 5: Solve for x
    x = 296,489,639.52/25,332.60
  6. Step 6: Final answer
    x = 11,703.88

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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.