Home / 22,762.39-31,400.93-15,210.57

Finding the Fourth Proportional to 22,762.39, 31,400.93 and 15,210.57

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Solution

The fourth proportional to 22,762.39, 31,400.93 and 15,210.57 is: 20,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.39 : 31,400.93 = 15,210.57 : x
  2. Step 2: Convert to fraction form
    22,762.39/31,400.93 = 15,210.57/x
  3. Step 3: Cross multiply
    22,762.39x = 31,400.93 × 15,210.57
  4. Step 4: Simplify right side
    22,762.39x = 477,626,199.61
  5. Step 5: Solve for x
    x = 477,626,199.61/22,762.39
  6. Step 6: Final answer
    x = 20,983.13

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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.