Home / 40,250.76-55,526.74-28,320.67

Finding the Fourth Proportional to 40,250.76, 55,526.74 and 28,320.67

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Solution

The fourth proportional to 40,250.76, 55,526.74 and 28,320.67 is: 39,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,250.76 : 55,526.74 = 28,320.67 : x
  2. Step 2: Convert to fraction form
    40,250.76/55,526.74 = 28,320.67/x
  3. Step 3: Cross multiply
    40,250.76x = 55,526.74 × 28,320.67
  4. Step 4: Simplify right side
    40,250.76x = 1,572,554,479.72
  5. Step 5: Solve for x
    x = 1,572,554,479.72/40,250.76
  6. Step 6: Final answer
    x = 39,068.94

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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.